Home / 219,835.20-329,720.40-62,079.60

Finding the Fourth Proportional to 219,835.20, 329,720.40 and 62,079.60

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Solution

The fourth proportional to 219,835.20, 329,720.40 and 62,079.60 is: 93,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,835.20 : 329,720.40 = 62,079.60 : x
  2. Step 2: Convert to fraction form
    219,835.20/329,720.40 = 62,079.60/x
  3. Step 3: Cross multiply
    219,835.20x = 329,720.40 × 62,079.60
  4. Step 4: Simplify right side
    219,835.20x = 20,468,910,543.84
  5. Step 5: Solve for x
    x = 20,468,910,543.84/219,835.20
  6. Step 6: Final answer
    x = 93,110.25

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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.