Home / 187,711.83-281,565.38-45,558.28

Finding the Fourth Proportional to 187,711.83, 281,565.38 and 45,558.28

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Solution

The fourth proportional to 187,711.83, 281,565.38 and 45,558.28 is: 68,336.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,711.83 : 281,565.38 = 45,558.28 : x
  2. Step 2: Convert to fraction form
    187,711.83/281,565.38 = 45,558.28/x
  3. Step 3: Cross multiply
    187,711.83x = 281,565.38 × 45,558.28
  4. Step 4: Simplify right side
    187,711.83x = 12,827,634,886.20
  5. Step 5: Solve for x
    x = 12,827,634,886.20/187,711.83
  6. Step 6: Final answer
    x = 68,336.85

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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.