Home / 133,966.18-184,789.23-79,479.78

Finding the Fourth Proportional to 133,966.18, 184,789.23 and 79,479.78

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Solution

The fourth proportional to 133,966.18, 184,789.23 and 79,479.78 is: 109,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,966.18 : 184,789.23 = 79,479.78 : x
  2. Step 2: Convert to fraction form
    133,966.18/184,789.23 = 79,479.78/x
  3. Step 3: Cross multiply
    133,966.18x = 184,789.23 × 79,479.78
  4. Step 4: Simplify right side
    133,966.18x = 14,687,007,346.77
  5. Step 5: Solve for x
    x = 14,687,007,346.77/133,966.18
  6. Step 6: Final answer
    x = 109,632.20

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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.