Home / 106,311.20-159,248.10-73,068.80

Finding the Fourth Proportional to 106,311.20, 159,248.10 and 73,068.80

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Solution

The fourth proportional to 106,311.20, 159,248.10 and 73,068.80 is: 109,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,311.20 : 159,248.10 = 73,068.80 : x
  2. Step 2: Convert to fraction form
    106,311.20/159,248.10 = 73,068.80/x
  3. Step 3: Cross multiply
    106,311.20x = 159,248.10 × 73,068.80
  4. Step 4: Simplify right side
    106,311.20x = 11,636,067,569.28
  5. Step 5: Solve for x
    x = 11,636,067,569.28/106,311.20
  6. Step 6: Final answer
    x = 109,452.89

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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.