Home / 140,389.62-193,737.24-76,727.40

Finding the Fourth Proportional to 140,389.62, 193,737.24 and 76,727.40

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Solution

The fourth proportional to 140,389.62, 193,737.24 and 76,727.40 is: 105,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,389.62 : 193,737.24 = 76,727.40 : x
  2. Step 2: Convert to fraction form
    140,389.62/193,737.24 = 76,727.40/x
  3. Step 3: Cross multiply
    140,389.62x = 193,737.24 × 76,727.40
  4. Step 4: Simplify right side
    140,389.62x = 14,864,954,708.38
  5. Step 5: Solve for x
    x = 14,864,954,708.38/140,389.62
  6. Step 6: Final answer
    x = 105,883.57

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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.