Home / 104,419.28-156,643.32-34,305.68

Finding the Fourth Proportional to 104,419.28, 156,643.32 and 34,305.68

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Solution

The fourth proportional to 104,419.28, 156,643.32 and 34,305.68 is: 51,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.28 : 156,643.32 = 34,305.68 : x
  2. Step 2: Convert to fraction form
    104,419.28/156,643.32 = 34,305.68/x
  3. Step 3: Cross multiply
    104,419.28x = 156,643.32 × 34,305.68
  4. Step 4: Simplify right side
    104,419.28x = 5,373,755,610.06
  5. Step 5: Solve for x
    x = 5,373,755,610.06/104,419.28
  6. Step 6: Final answer
    x = 51,463.25

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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.