Home / 125,131.95-187,716.23-36,373.92

Finding the Fourth Proportional to 125,131.95, 187,716.23 and 36,373.92

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Solution

The fourth proportional to 125,131.95, 187,716.23 and 36,373.92 is: 54,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,131.95 : 187,716.23 = 36,373.92 : x
  2. Step 2: Convert to fraction form
    125,131.95/187,716.23 = 36,373.92/x
  3. Step 3: Cross multiply
    125,131.95x = 187,716.23 × 36,373.92
  4. Step 4: Simplify right side
    125,131.95x = 6,827,975,132.72
  5. Step 5: Solve for x
    x = 6,827,975,132.72/125,131.95
  6. Step 6: Final answer
    x = 54,566.20

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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.