Home / 159,983.32-220,758.04-88,359.08

Finding the Fourth Proportional to 159,983.32, 220,758.04 and 88,359.08

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Solution

The fourth proportional to 159,983.32, 220,758.04 and 88,359.08 is: 121,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,983.32 : 220,758.04 = 88,359.08 : x
  2. Step 2: Convert to fraction form
    159,983.32/220,758.04 = 88,359.08/x
  3. Step 3: Cross multiply
    159,983.32x = 220,758.04 × 88,359.08
  4. Step 4: Simplify right side
    159,983.32x = 19,505,977,317.00
  5. Step 5: Solve for x
    x = 19,505,977,317.00/159,983.32
  6. Step 6: Final answer
    x = 121,925.07

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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.