Home / 125,437.59-173,116.17-71,730.54

Finding the Fourth Proportional to 125,437.59, 173,116.17 and 71,730.54

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Solution

The fourth proportional to 125,437.59, 173,116.17 and 71,730.54 is: 98,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,437.59 : 173,116.17 = 71,730.54 : x
  2. Step 2: Convert to fraction form
    125,437.59/173,116.17 = 71,730.54/x
  3. Step 3: Cross multiply
    125,437.59x = 173,116.17 × 71,730.54
  4. Step 4: Simplify right side
    125,437.59x = 12,417,716,356.83
  5. Step 5: Solve for x
    x = 12,417,716,356.83/125,437.59
  6. Step 6: Final answer
    x = 98,995.18

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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.