Home / 151,167.16-208,612.60-83,191.96

Finding the Fourth Proportional to 151,167.16, 208,612.60 and 83,191.96

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Solution

The fourth proportional to 151,167.16, 208,612.60 and 83,191.96 is: 114,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,167.16 : 208,612.60 = 83,191.96 : x
  2. Step 2: Convert to fraction form
    151,167.16/208,612.60 = 83,191.96/x
  3. Step 3: Cross multiply
    151,167.16x = 208,612.60 × 83,191.96
  4. Step 4: Simplify right side
    151,167.16x = 17,354,891,074.70
  5. Step 5: Solve for x
    x = 17,354,891,074.70/151,167.16
  6. Step 6: Final answer
    x = 114,805.96

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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.