Home / 136,939.20-205,277.58-57,944.76

Finding the Fourth Proportional to 136,939.20, 205,277.58 and 57,944.76

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Solution

The fourth proportional to 136,939.20, 205,277.58 and 57,944.76 is: 86,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,939.20 : 205,277.58 = 57,944.76 : x
  2. Step 2: Convert to fraction form
    136,939.20/205,277.58 = 57,944.76/x
  3. Step 3: Cross multiply
    136,939.20x = 205,277.58 × 57,944.76
  4. Step 4: Simplify right side
    136,939.20x = 11,894,760,106.48
  5. Step 5: Solve for x
    x = 11,894,760,106.48/136,939.20
  6. Step 6: Final answer
    x = 86,861.62

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1.5x scale

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.