Home / 288,799.94-433,257.66-89,112.82

Finding the Fourth Proportional to 288,799.94, 433,257.66 and 89,112.82

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Solution

The fourth proportional to 288,799.94, 433,257.66 and 89,112.82 is: 133,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,799.94 : 433,257.66 = 89,112.82 : x
  2. Step 2: Convert to fraction form
    288,799.94/433,257.66 = 89,112.82/x
  3. Step 3: Cross multiply
    288,799.94x = 433,257.66 × 89,112.82
  4. Step 4: Simplify right side
    288,799.94x = 38,608,811,869.20
  5. Step 5: Solve for x
    x = 38,608,811,869.20/288,799.94
  6. Step 6: Final answer
    x = 133,687.05

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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.