Home / 623,135.91-934,703.88-149,821.29

Finding the Fourth Proportional to 623,135.91, 934,703.88 and 149,821.29

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Solution

The fourth proportional to 623,135.91, 934,703.88 and 149,821.29 is: 224,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,135.91 : 934,703.88 = 149,821.29 : x
  2. Step 2: Convert to fraction form
    623,135.91/934,703.88 = 149,821.29/x
  3. Step 3: Cross multiply
    623,135.91x = 934,703.88 × 149,821.29
  4. Step 4: Simplify right side
    623,135.91x = 140,038,541,069.61
  5. Step 5: Solve for x
    x = 140,038,541,069.61/623,135.91
  6. Step 6: Final answer
    x = 224,731.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.