Home / 125,314.38-172,943.00-71,598.24

Finding the Fourth Proportional to 125,314.38, 172,943.00 and 71,598.24

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Solution

The fourth proportional to 125,314.38, 172,943.00 and 71,598.24 is: 98,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,314.38 : 172,943.00 = 71,598.24 : x
  2. Step 2: Convert to fraction form
    125,314.38/172,943.00 = 71,598.24/x
  3. Step 3: Cross multiply
    125,314.38x = 172,943.00 × 71,598.24
  4. Step 4: Simplify right side
    125,314.38x = 12,382,414,062.33
  5. Step 5: Solve for x
    x = 12,382,414,062.33/125,314.38
  6. Step 6: Final answer
    x = 98,810.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.