Home / 104,527.40-156,791.10-75,221.60

Finding the Fourth Proportional to 104,527.40, 156,791.10 and 75,221.60

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Solution

The fourth proportional to 104,527.40, 156,791.10 and 75,221.60 is: 112,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,527.40 : 156,791.10 = 75,221.60 : x
  2. Step 2: Convert to fraction form
    104,527.40/156,791.10 = 75,221.60/x
  3. Step 3: Cross multiply
    104,527.40x = 156,791.10 × 75,221.60
  4. Step 4: Simplify right side
    104,527.40x = 11,794,077,407.76
  5. Step 5: Solve for x
    x = 11,794,077,407.76/104,527.40
  6. Step 6: Final answer
    x = 112,832.40

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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.