Home / 131,471.10-197,206.65-48,354.30

Finding the Fourth Proportional to 131,471.10, 197,206.65 and 48,354.30

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Solution

The fourth proportional to 131,471.10, 197,206.65 and 48,354.30 is: 72,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,471.10 : 197,206.65 = 48,354.30 : x
  2. Step 2: Convert to fraction form
    131,471.10/197,206.65 = 48,354.30/x
  3. Step 3: Cross multiply
    131,471.10x = 197,206.65 × 48,354.30
  4. Step 4: Simplify right side
    131,471.10x = 9,535,789,516.10
  5. Step 5: Solve for x
    x = 9,535,789,516.10/131,471.10
  6. Step 6: Final answer
    x = 72,531.45

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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.