Home / 131,432.90-197,318.84-112,832.46

Finding the Fourth Proportional to 131,432.90, 197,318.84 and 112,832.46

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Solution

The fourth proportional to 131,432.90, 197,318.84 and 112,832.46 is: 169,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.90 : 197,318.84 = 112,832.46 : x
  2. Step 2: Convert to fraction form
    131,432.90/197,318.84 = 112,832.46/x
  3. Step 3: Cross multiply
    131,432.90x = 197,318.84 × 112,832.46
  4. Step 4: Simplify right side
    131,432.90x = 22,263,969,557.38
  5. Step 5: Solve for x
    x = 22,263,969,557.38/131,432.90
  6. Step 6: Final answer
    x = 169,394.20

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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.