Home / 157,204.14-216,934.89-85,584.42

Finding the Fourth Proportional to 157,204.14, 216,934.89 and 85,584.42

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Solution

The fourth proportional to 157,204.14, 216,934.89 and 85,584.42 is: 118,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,204.14 : 216,934.89 = 85,584.42 : x
  2. Step 2: Convert to fraction form
    157,204.14/216,934.89 = 85,584.42/x
  3. Step 3: Cross multiply
    157,204.14x = 216,934.89 × 85,584.42
  4. Step 4: Simplify right side
    157,204.14x = 18,566,246,738.41
  5. Step 5: Solve for x
    x = 18,566,246,738.41/157,204.14
  6. Step 6: Final answer
    x = 118,102.78

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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.