Home / 159,985.92-220,794.24-88,373.76

Finding the Fourth Proportional to 159,985.92, 220,794.24 and 88,373.76

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Solution

The fourth proportional to 159,985.92, 220,794.24 and 88,373.76 is: 121,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,985.92 : 220,794.24 = 88,373.76 : x
  2. Step 2: Convert to fraction form
    159,985.92/220,794.24 = 88,373.76/x
  3. Step 3: Cross multiply
    159,985.92x = 220,794.24 × 88,373.76
  4. Step 4: Simplify right side
    159,985.92x = 19,512,417,175.14
  5. Step 5: Solve for x
    x = 19,512,417,175.14/159,985.92
  6. Step 6: Final answer
    x = 121,963.34

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1.5x scale

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.