Home / 157,538.67-217,394.72-89,546.19

Finding the Fourth Proportional to 157,538.67, 217,394.72 and 89,546.19

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Solution

The fourth proportional to 157,538.67, 217,394.72 and 89,546.19 is: 123,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.67 : 217,394.72 = 89,546.19 : x
  2. Step 2: Convert to fraction form
    157,538.67/217,394.72 = 89,546.19/x
  3. Step 3: Cross multiply
    157,538.67x = 217,394.72 × 89,546.19
  4. Step 4: Simplify right side
    157,538.67x = 19,466,867,367.41
  5. Step 5: Solve for x
    x = 19,466,867,367.41/157,538.67
  6. Step 6: Final answer
    x = 123,568.82

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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.