Home / 289,430.20-433,562.10-194,951.80

Finding the Fourth Proportional to 289,430.20, 433,562.10 and 194,951.80

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Solution

The fourth proportional to 289,430.20, 433,562.10 and 194,951.80 is: 292,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,430.20 : 433,562.10 = 194,951.80 : x
  2. Step 2: Convert to fraction form
    289,430.20/433,562.10 = 194,951.80/x
  3. Step 3: Cross multiply
    289,430.20x = 433,562.10 × 194,951.80
  4. Step 4: Simplify right side
    289,430.20x = 84,523,711,806.78
  5. Step 5: Solve for x
    x = 84,523,711,806.78/289,430.20
  6. Step 6: Final answer
    x = 292,034.87

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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.