Home / 156,201.60-234,164.16-73,073.28

Finding the Fourth Proportional to 156,201.60, 234,164.16 and 73,073.28

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Solution

The fourth proportional to 156,201.60, 234,164.16 and 73,073.28 is: 109,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,201.60 : 234,164.16 = 73,073.28 : x
  2. Step 2: Convert to fraction form
    156,201.60/234,164.16 = 73,073.28/x
  3. Step 3: Cross multiply
    156,201.60x = 234,164.16 × 73,073.28
  4. Step 4: Simplify right side
    156,201.60x = 17,111,143,229.64
  5. Step 5: Solve for x
    x = 17,111,143,229.64/156,201.60
  6. Step 6: Final answer
    x = 109,545.25

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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.