Home / 125,126.64-187,689.96-31,632.39

Finding the Fourth Proportional to 125,126.64, 187,689.96 and 31,632.39

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Solution

The fourth proportional to 125,126.64, 187,689.96 and 31,632.39 is: 47,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,126.64 : 187,689.96 = 31,632.39 : x
  2. Step 2: Convert to fraction form
    125,126.64/187,689.96 = 31,632.39/x
  3. Step 3: Cross multiply
    125,126.64x = 187,689.96 × 31,632.39
  4. Step 4: Simplify right side
    125,126.64x = 5,937,082,013.80
  5. Step 5: Solve for x
    x = 5,937,082,013.80/125,126.64
  6. Step 6: Final answer
    x = 47,448.59

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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.