Home / 288,036.12-432,067.16-88,341.96

Finding the Fourth Proportional to 288,036.12, 432,067.16 and 88,341.96

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Solution

The fourth proportional to 288,036.12, 432,067.16 and 88,341.96 is: 132,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,036.12 : 432,067.16 = 88,341.96 : x
  2. Step 2: Convert to fraction form
    288,036.12/432,067.16 = 88,341.96/x
  3. Step 3: Cross multiply
    288,036.12x = 432,067.16 × 88,341.96
  4. Step 4: Simplify right side
    288,036.12x = 38,169,659,766.03
  5. Step 5: Solve for x
    x = 38,169,659,766.03/288,036.12
  6. Step 6: Final answer
    x = 132,516.92

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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.