Home / 187,354.50-281,000.96-80,709.52

Finding the Fourth Proportional to 187,354.50, 281,000.96 and 80,709.52

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Solution

The fourth proportional to 187,354.50, 281,000.96 and 80,709.52 is: 121,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,354.50 : 281,000.96 = 80,709.52 : x
  2. Step 2: Convert to fraction form
    187,354.50/281,000.96 = 80,709.52/x
  3. Step 3: Cross multiply
    187,354.50x = 281,000.96 × 80,709.52
  4. Step 4: Simplify right side
    187,354.50x = 22,679,452,601.14
  5. Step 5: Solve for x
    x = 22,679,452,601.14/187,354.50
  6. Step 6: Final answer
    x = 121,051.02

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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.