Home / 132,816.40-199,273.20-127,956.40

Finding the Fourth Proportional to 132,816.40, 199,273.20 and 127,956.40

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Solution

The fourth proportional to 132,816.40, 199,273.20 and 127,956.40 is: 191,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,816.40 : 199,273.20 = 127,956.40 : x
  2. Step 2: Convert to fraction form
    132,816.40/199,273.20 = 127,956.40/x
  3. Step 3: Cross multiply
    132,816.40x = 199,273.20 × 127,956.40
  4. Step 4: Simplify right side
    132,816.40x = 25,498,281,288.48
  5. Step 5: Solve for x
    x = 25,498,281,288.48/132,816.40
  6. Step 6: Final answer
    x = 191,981.42

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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.