Home / 125,625.17-173,453.24-77,292.12

Finding the Fourth Proportional to 125,625.17, 173,453.24 and 77,292.12

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Solution

The fourth proportional to 125,625.17, 173,453.24 and 77,292.12 is: 106,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,625.17 : 173,453.24 = 77,292.12 : x
  2. Step 2: Convert to fraction form
    125,625.17/173,453.24 = 77,292.12/x
  3. Step 3: Cross multiply
    125,625.17x = 173,453.24 × 77,292.12
  4. Step 4: Simplify right side
    125,625.17x = 13,406,568,940.69
  5. Step 5: Solve for x
    x = 13,406,568,940.69/125,625.17
  6. Step 6: Final answer
    x = 106,718.82

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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.