Home / 157,723.22-217,655.17-89,738.71

Finding the Fourth Proportional to 157,723.22, 217,655.17 and 89,738.71

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Solution

The fourth proportional to 157,723.22, 217,655.17 and 89,738.71 is: 123,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,723.22 : 217,655.17 = 89,738.71 : x
  2. Step 2: Convert to fraction form
    157,723.22/217,655.17 = 89,738.71/x
  3. Step 3: Cross multiply
    157,723.22x = 217,655.17 × 89,738.71
  4. Step 4: Simplify right side
    157,723.22x = 19,532,093,412.15
  5. Step 5: Solve for x
    x = 19,532,093,412.15/157,723.22
  6. Step 6: Final answer
    x = 123,837.78

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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.