Home / 153,956.20-230,934.30-43,133.80

Finding the Fourth Proportional to 153,956.20, 230,934.30 and 43,133.80

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Solution

The fourth proportional to 153,956.20, 230,934.30 and 43,133.80 is: 64,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,956.20 : 230,934.30 = 43,133.80 : x
  2. Step 2: Convert to fraction form
    153,956.20/230,934.30 = 43,133.80/x
  3. Step 3: Cross multiply
    153,956.20x = 230,934.30 × 43,133.80
  4. Step 4: Simplify right side
    153,956.20x = 9,961,073,909.34
  5. Step 5: Solve for x
    x = 9,961,073,909.34/153,956.20
  6. Step 6: Final answer
    x = 64,700.70

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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.