Home / 104,320.64-156,480.96-25,435.55

Finding the Fourth Proportional to 104,320.64, 156,480.96 and 25,435.55

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Solution

The fourth proportional to 104,320.64, 156,480.96 and 25,435.55 is: 38,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,320.64 : 156,480.96 = 25,435.55 : x
  2. Step 2: Convert to fraction form
    104,320.64/156,480.96 = 25,435.55/x
  3. Step 3: Cross multiply
    104,320.64x = 156,480.96 × 25,435.55
  4. Step 4: Simplify right side
    104,320.64x = 3,980,179,282.13
  5. Step 5: Solve for x
    x = 3,980,179,282.13/104,320.64
  6. Step 6: Final answer
    x = 38,153.33

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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.