Home / 156,005.28-233,921.48-72,853.92

Finding the Fourth Proportional to 156,005.28, 233,921.48 and 72,853.92

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Solution

The fourth proportional to 156,005.28, 233,921.48 and 72,853.92 is: 109,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,005.28 : 233,921.48 = 72,853.92 : x
  2. Step 2: Convert to fraction form
    156,005.28/233,921.48 = 72,853.92/x
  3. Step 3: Cross multiply
    156,005.28x = 233,921.48 × 72,853.92
  4. Step 4: Simplify right side
    156,005.28x = 17,042,096,790.20
  5. Step 5: Solve for x
    x = 17,042,096,790.20/156,005.28
  6. Step 6: Final answer
    x = 109,240.51

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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.