Home / 140,035.14-193,265.10-79,614.90

Finding the Fourth Proportional to 140,035.14, 193,265.10 and 79,614.90

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Solution

The fourth proportional to 140,035.14, 193,265.10 and 79,614.90 is: 109,878.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,035.14 : 193,265.10 = 79,614.90 : x
  2. Step 2: Convert to fraction form
    140,035.14/193,265.10 = 79,614.90/x
  3. Step 3: Cross multiply
    140,035.14x = 193,265.10 × 79,614.90
  4. Step 4: Simplify right side
    140,035.14x = 15,386,781,609.99
  5. Step 5: Solve for x
    x = 15,386,781,609.99/140,035.14
  6. Step 6: Final answer
    x = 109,878.00

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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.