Home / 146,502.30-219,753.45-96,638.70

Finding the Fourth Proportional to 146,502.30, 219,753.45 and 96,638.70

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Solution

The fourth proportional to 146,502.30, 219,753.45 and 96,638.70 is: 144,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,502.30 : 219,753.45 = 96,638.70 : x
  2. Step 2: Convert to fraction form
    146,502.30/219,753.45 = 96,638.70/x
  3. Step 3: Cross multiply
    146,502.30x = 219,753.45 × 96,638.70
  4. Step 4: Simplify right side
    146,502.30x = 21,236,687,728.52
  5. Step 5: Solve for x
    x = 21,236,687,728.52/146,502.30
  6. Step 6: Final answer
    x = 144,958.05

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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.