Home / 147,793.48-221,778.54-54,308.68

Finding the Fourth Proportional to 147,793.48, 221,778.54 and 54,308.68

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Solution

The fourth proportional to 147,793.48, 221,778.54 and 54,308.68 is: 81,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,793.48 : 221,778.54 = 54,308.68 : x
  2. Step 2: Convert to fraction form
    147,793.48/221,778.54 = 54,308.68/x
  3. Step 3: Cross multiply
    147,793.48x = 221,778.54 × 54,308.68
  4. Step 4: Simplify right side
    147,793.48x = 12,044,499,759.73
  5. Step 5: Solve for x
    x = 12,044,499,759.73/147,793.48
  6. Step 6: Final answer
    x = 81,495.47

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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.