Home / 149,490.70-224,236.05-74,841.10

Finding the Fourth Proportional to 149,490.70, 224,236.05 and 74,841.10

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Solution

The fourth proportional to 149,490.70, 224,236.05 and 74,841.10 is: 112,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,490.70 : 224,236.05 = 74,841.10 : x
  2. Step 2: Convert to fraction form
    149,490.70/224,236.05 = 74,841.10/x
  3. Step 3: Cross multiply
    149,490.70x = 224,236.05 × 74,841.10
  4. Step 4: Simplify right side
    149,490.70x = 16,782,072,641.66
  5. Step 5: Solve for x
    x = 16,782,072,641.66/149,490.70
  6. Step 6: Final answer
    x = 112,261.65

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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.