Home / 147,193.20-220,658.58-122,436.36

Finding the Fourth Proportional to 147,193.20, 220,658.58 and 122,436.36

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Solution

The fourth proportional to 147,193.20, 220,658.58 and 122,436.36 is: 183,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,193.20 : 220,658.58 = 122,436.36 : x
  2. Step 2: Convert to fraction form
    147,193.20/220,658.58 = 122,436.36/x
  3. Step 3: Cross multiply
    147,193.20x = 220,658.58 × 122,436.36
  4. Step 4: Simplify right side
    147,193.20x = 27,016,633,337.97
  5. Step 5: Solve for x
    x = 27,016,633,337.97/147,193.20
  6. Step 6: Final answer
    x = 183,545.39

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1.5x scale

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.