Home / 157,414.85-217,226.16-85,793.33

Finding the Fourth Proportional to 157,414.85, 217,226.16 and 85,793.33

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Solution

The fourth proportional to 157,414.85, 217,226.16 and 85,793.33 is: 118,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414.85 : 217,226.16 = 85,793.33 : x
  2. Step 2: Convert to fraction form
    157,414.85/217,226.16 = 85,793.33/x
  3. Step 3: Cross multiply
    157,414.85x = 217,226.16 × 85,793.33
  4. Step 4: Simplify right side
    157,414.85x = 18,636,555,629.51
  5. Step 5: Solve for x
    x = 18,636,555,629.51/157,414.85
  6. Step 6: Final answer
    x = 118,391.34

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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.