Home / 121,023.20-181,275.60-97,695.20

Finding the Fourth Proportional to 121,023.20, 181,275.60 and 97,695.20

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Solution

The fourth proportional to 121,023.20, 181,275.60 and 97,695.20 is: 146,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023.20 : 181,275.60 = 97,695.20 : x
  2. Step 2: Convert to fraction form
    121,023.20/181,275.60 = 97,695.20/x
  3. Step 3: Cross multiply
    121,023.20x = 181,275.60 × 97,695.20
  4. Step 4: Simplify right side
    121,023.20x = 17,709,755,997.12
  5. Step 5: Solve for x
    x = 17,709,755,997.12/121,023.20
  6. Step 6: Final answer
    x = 146,333.56

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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.