Home / 219,024.40-328,666.20-159,710.80

Finding the Fourth Proportional to 219,024.40, 328,666.20 and 159,710.80

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Solution

The fourth proportional to 219,024.40, 328,666.20 and 159,710.80 is: 239,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,024.40 : 328,666.20 = 159,710.80 : x
  2. Step 2: Convert to fraction form
    219,024.40/328,666.20 = 159,710.80/x
  3. Step 3: Cross multiply
    219,024.40x = 328,666.20 × 159,710.80
  4. Step 4: Simplify right side
    219,024.40x = 52,491,541,734.96
  5. Step 5: Solve for x
    x = 52,491,541,734.96/219,024.40
  6. Step 6: Final answer
    x = 239,660.70

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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.