Home / 140,949.24-194,455.68-89,963.76

Finding the Fourth Proportional to 140,949.24, 194,455.68 and 89,963.76

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Solution

The fourth proportional to 140,949.24, 194,455.68 and 89,963.76 is: 124,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949.24 : 194,455.68 = 89,963.76 : x
  2. Step 2: Convert to fraction form
    140,949.24/194,455.68 = 89,963.76/x
  3. Step 3: Cross multiply
    140,949.24x = 194,455.68 × 89,963.76
  4. Step 4: Simplify right side
    140,949.24x = 17,493,964,126.16
  5. Step 5: Solve for x
    x = 17,493,964,126.16/140,949.24
  6. Step 6: Final answer
    x = 124,115.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.