Home / 198,527.39-297,846.67-80,281.76

Finding the Fourth Proportional to 198,527.39, 297,846.67 and 80,281.76

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Solution

The fourth proportional to 198,527.39, 297,846.67 and 80,281.76 is: 120,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,527.39 : 297,846.67 = 80,281.76 : x
  2. Step 2: Convert to fraction form
    198,527.39/297,846.67 = 80,281.76/x
  3. Step 3: Cross multiply
    198,527.39x = 297,846.67 × 80,281.76
  4. Step 4: Simplify right side
    198,527.39x = 23,911,654,877.74
  5. Step 5: Solve for x
    x = 23,911,654,877.74/198,527.39
  6. Step 6: Final answer
    x = 120,445.12

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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.