Home / 157,520.60-217,383.84-89,540.42

Finding the Fourth Proportional to 157,520.60, 217,383.84 and 89,540.42

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Solution

The fourth proportional to 157,520.60, 217,383.84 and 89,540.42 is: 123,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520.60 : 217,383.84 = 89,540.42 : x
  2. Step 2: Convert to fraction form
    157,520.60/217,383.84 = 89,540.42/x
  3. Step 3: Cross multiply
    157,520.60x = 217,383.84 × 89,540.42
  4. Step 4: Simplify right side
    157,520.60x = 19,464,640,334.81
  5. Step 5: Solve for x
    x = 19,464,640,334.81/157,520.60
  6. Step 6: Final answer
    x = 123,568.86

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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.