Home / 125,126.52-187,689.77-31,632.27

Finding the Fourth Proportional to 125,126.52, 187,689.77 and 31,632.27

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Solution

The fourth proportional to 125,126.52, 187,689.77 and 31,632.27 is: 47,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,126.52 : 187,689.77 = 31,632.27 : x
  2. Step 2: Convert to fraction form
    125,126.52/187,689.77 = 31,632.27/x
  3. Step 3: Cross multiply
    125,126.52x = 187,689.77 × 31,632.27
  4. Step 4: Simplify right side
    125,126.52x = 5,937,053,480.88
  5. Step 5: Solve for x
    x = 5,937,053,480.88/125,126.52
  6. Step 6: Final answer
    x = 47,448.40

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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.