Home / 231,568.20-347,384.70-98,447.40

Finding the Fourth Proportional to 231,568.20, 347,384.70 and 98,447.40

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Solution

The fourth proportional to 231,568.20, 347,384.70 and 98,447.40 is: 147,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,568.20 : 347,384.70 = 98,447.40 : x
  2. Step 2: Convert to fraction form
    231,568.20/347,384.70 = 98,447.40/x
  3. Step 3: Cross multiply
    231,568.20x = 347,384.70 × 98,447.40
  4. Step 4: Simplify right side
    231,568.20x = 34,199,120,514.78
  5. Step 5: Solve for x
    x = 34,199,120,514.78/231,568.20
  6. Step 6: Final answer
    x = 147,684.87

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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.