Home / 159,483.24-220,092.52-87,868.70

Finding the Fourth Proportional to 159,483.24, 220,092.52 and 87,868.70

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Solution

The fourth proportional to 159,483.24, 220,092.52 and 87,868.70 is: 121,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,483.24 : 220,092.52 = 87,868.70 : x
  2. Step 2: Convert to fraction form
    159,483.24/220,092.52 = 87,868.70/x
  3. Step 3: Cross multiply
    159,483.24x = 220,092.52 × 87,868.70
  4. Step 4: Simplify right side
    159,483.24x = 19,339,243,612.12
  5. Step 5: Solve for x
    x = 19,339,243,612.12/159,483.24
  6. Step 6: Final answer
    x = 121,261.92

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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.