Home / 159,775.24-220,490.58-88,155.24

Finding the Fourth Proportional to 159,775.24, 220,490.58 and 88,155.24

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Solution

The fourth proportional to 159,775.24, 220,490.58 and 88,155.24 is: 121,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,775.24 : 220,490.58 = 88,155.24 : x
  2. Step 2: Convert to fraction form
    159,775.24/220,490.58 = 88,155.24/x
  3. Step 3: Cross multiply
    159,775.24x = 220,490.58 × 88,155.24
  4. Step 4: Simplify right side
    159,775.24x = 19,437,399,997.64
  5. Step 5: Solve for x
    x = 19,437,399,997.64/159,775.24
  6. Step 6: Final answer
    x = 121,654.64

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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.