Home / 113,793.22-156,966.90-73,530.64

Finding the Fourth Proportional to 113,793.22, 156,966.90 and 73,530.64

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Solution

The fourth proportional to 113,793.22, 156,966.90 and 73,530.64 is: 101,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,793.22 : 156,966.90 = 73,530.64 : x
  2. Step 2: Convert to fraction form
    113,793.22/156,966.90 = 73,530.64/x
  3. Step 3: Cross multiply
    113,793.22x = 156,966.90 × 73,530.64
  4. Step 4: Simplify right side
    113,793.22x = 11,541,876,615.82
  5. Step 5: Solve for x
    x = 11,541,876,615.82/113,793.22
  6. Step 6: Final answer
    x = 101,428.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.