Home / 157,586.43-217,479.56-89,609.73

Finding the Fourth Proportional to 157,586.43, 217,479.56 and 89,609.73

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Solution

The fourth proportional to 157,586.43, 217,479.56 and 89,609.73 is: 123,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,586.43 : 217,479.56 = 89,609.73 : x
  2. Step 2: Convert to fraction form
    157,586.43/217,479.56 = 89,609.73/x
  3. Step 3: Cross multiply
    157,586.43x = 217,479.56 × 89,609.73
  4. Step 4: Simplify right side
    157,586.43x = 19,488,284,204.07
  5. Step 5: Solve for x
    x = 19,488,284,204.07/157,586.43
  6. Step 6: Final answer
    x = 123,667.28

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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.