Home / 289,104.30-433,697.76-89,441.73

Finding the Fourth Proportional to 289,104.30, 433,697.76 and 89,441.73

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Solution

The fourth proportional to 289,104.30, 433,697.76 and 89,441.73 is: 134,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,104.30 : 433,697.76 = 89,441.73 : x
  2. Step 2: Convert to fraction form
    289,104.30/433,697.76 = 89,441.73/x
  3. Step 3: Cross multiply
    289,104.30x = 433,697.76 × 89,441.73
  4. Step 4: Simplify right side
    289,104.30x = 38,790,677,951.52
  5. Step 5: Solve for x
    x = 38,790,677,951.52/289,104.30
  6. Step 6: Final answer
    x = 134,175.38

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1.5x scale

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.