Home / 125,173.20-187,740.18-40,932.66

Finding the Fourth Proportional to 125,173.20, 187,740.18 and 40,932.66

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Solution

The fourth proportional to 125,173.20, 187,740.18 and 40,932.66 is: 61,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,173.20 : 187,740.18 = 40,932.66 : x
  2. Step 2: Convert to fraction form
    125,173.20/187,740.18 = 40,932.66/x
  3. Step 3: Cross multiply
    125,173.20x = 187,740.18 × 40,932.66
  4. Step 4: Simplify right side
    125,173.20x = 7,684,704,956.28
  5. Step 5: Solve for x
    x = 7,684,704,956.28/125,173.20
  6. Step 6: Final answer
    x = 61,392.57

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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.