Home / 104,259.12-156,387.30-25,373.40

Finding the Fourth Proportional to 104,259.12, 156,387.30 and 25,373.40

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Solution

The fourth proportional to 104,259.12, 156,387.30 and 25,373.40 is: 38,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,259.12 : 156,387.30 = 25,373.40 : x
  2. Step 2: Convert to fraction form
    104,259.12/156,387.30 = 25,373.40/x
  3. Step 3: Cross multiply
    104,259.12x = 156,387.30 × 25,373.40
  4. Step 4: Simplify right side
    104,259.12x = 3,968,077,517.82
  5. Step 5: Solve for x
    x = 3,968,077,517.82/104,259.12
  6. Step 6: Final answer
    x = 38,059.76

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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.