Home / 125,167.47-187,751.17-83,129.63

Finding the Fourth Proportional to 125,167.47, 187,751.17 and 83,129.63

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Solution

The fourth proportional to 125,167.47, 187,751.17 and 83,129.63 is: 124,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.47 : 187,751.17 = 83,129.63 : x
  2. Step 2: Convert to fraction form
    125,167.47/187,751.17 = 83,129.63/x
  3. Step 3: Cross multiply
    125,167.47x = 187,751.17 × 83,129.63
  4. Step 4: Simplify right side
    125,167.47x = 15,607,685,047.82
  5. Step 5: Solve for x
    x = 15,607,685,047.82/125,167.47
  6. Step 6: Final answer
    x = 124,694.42

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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.