Home / 185,865.94-278,939.12-86,096.13

Finding the Fourth Proportional to 185,865.94, 278,939.12 and 86,096.13

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Solution

The fourth proportional to 185,865.94, 278,939.12 and 86,096.13 is: 129,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,865.94 : 278,939.12 = 86,096.13 : x
  2. Step 2: Convert to fraction form
    185,865.94/278,939.12 = 86,096.13/x
  3. Step 3: Cross multiply
    185,865.94x = 278,939.12 × 86,096.13
  4. Step 4: Simplify right side
    185,865.94x = 24,015,578,737.61
  5. Step 5: Solve for x
    x = 24,015,578,737.61/185,865.94
  6. Step 6: Final answer
    x = 129,209.14

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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.