Home / 153,956.10-230,876.55-54,077.70

Finding the Fourth Proportional to 153,956.10, 230,876.55 and 54,077.70

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Solution

The fourth proportional to 153,956.10, 230,876.55 and 54,077.70 is: 81,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,956.10 : 230,876.55 = 54,077.70 : x
  2. Step 2: Convert to fraction form
    153,956.10/230,876.55 = 54,077.70/x
  3. Step 3: Cross multiply
    153,956.10x = 230,876.55 × 54,077.70
  4. Step 4: Simplify right side
    153,956.10x = 12,485,272,807.94
  5. Step 5: Solve for x
    x = 12,485,272,807.94/153,956.10
  6. Step 6: Final answer
    x = 81,096.32

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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.