Home / 528,070.20-792,105.30-173,120.10

Finding the Fourth Proportional to 528,070.20, 792,105.30 and 173,120.10

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Solution

The fourth proportional to 528,070.20, 792,105.30 and 173,120.10 is: 259,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,070.20 : 792,105.30 = 173,120.10 : x
  2. Step 2: Convert to fraction form
    528,070.20/792,105.30 = 173,120.10/x
  3. Step 3: Cross multiply
    528,070.20x = 792,105.30 × 173,120.10
  4. Step 4: Simplify right side
    528,070.20x = 137,129,348,746.53
  5. Step 5: Solve for x
    x = 137,129,348,746.53/528,070.20
  6. Step 6: Final answer
    x = 259,680.15

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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.