Home / 157,161.20-216,887.16-96,766.69

Finding the Fourth Proportional to 157,161.20, 216,887.16 and 96,766.69

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Solution

The fourth proportional to 157,161.20, 216,887.16 and 96,766.69 is: 133,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,161.20 : 216,887.16 = 96,766.69 : x
  2. Step 2: Convert to fraction form
    157,161.20/216,887.16 = 96,766.69/x
  3. Step 3: Cross multiply
    157,161.20x = 216,887.16 × 96,766.69
  4. Step 4: Simplify right side
    157,161.20x = 20,987,452,576.70
  5. Step 5: Solve for x
    x = 20,987,452,576.70/157,161.20
  6. Step 6: Final answer
    x = 133,540.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.