Home / 125,729.28-173,578.14-83,345.22

Finding the Fourth Proportional to 125,729.28, 173,578.14 and 83,345.22

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Solution

The fourth proportional to 125,729.28, 173,578.14 and 83,345.22 is: 115,063.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,729.28 : 173,578.14 = 83,345.22 : x
  2. Step 2: Convert to fraction form
    125,729.28/173,578.14 = 83,345.22/x
  3. Step 3: Cross multiply
    125,729.28x = 173,578.14 × 83,345.22
  4. Step 4: Simplify right side
    125,729.28x = 14,466,908,265.49
  5. Step 5: Solve for x
    x = 14,466,908,265.49/125,729.28
  6. Step 6: Final answer
    x = 115,063.96

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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.