Home / 172,132.46-258,093-59,764.40

Finding the Fourth Proportional to 172,132.46, 258,093 and 59,764.40

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Solution

The fourth proportional to 172,132.46, 258,093 and 59,764.40 is: 89,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,132.46 : 258,093 = 59,764.40 : x
  2. Step 2: Convert to fraction form
    172,132.46/258,093 = 59,764.40/x
  3. Step 3: Cross multiply
    172,132.46x = 258,093 × 59,764.40
  4. Step 4: Simplify right side
    172,132.46x = 15,424,773,289.20
  5. Step 5: Solve for x
    x = 15,424,773,289.20/172,132.46
  6. Step 6: Final answer
    x = 89,609.90

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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.