Home / 140,037.14-193,267.86-79,616.90

Finding the Fourth Proportional to 140,037.14, 193,267.86 and 79,616.90

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Solution

The fourth proportional to 140,037.14, 193,267.86 and 79,616.90 is: 109,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,037.14 : 193,267.86 = 79,616.90 : x
  2. Step 2: Convert to fraction form
    140,037.14/193,267.86 = 79,616.90/x
  3. Step 3: Cross multiply
    140,037.14x = 193,267.86 × 79,616.90
  4. Step 4: Simplify right side
    140,037.14x = 15,387,387,882.83
  5. Step 5: Solve for x
    x = 15,387,387,882.83/140,037.14
  6. Step 6: Final answer
    x = 109,880.76

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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.