Home / 157,488.23-217,352.21-89,515.42

Finding the Fourth Proportional to 157,488.23, 217,352.21 and 89,515.42

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Solution

The fourth proportional to 157,488.23, 217,352.21 and 89,515.42 is: 123,541.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,488.23 : 217,352.21 = 89,515.42 : x
  2. Step 2: Convert to fraction form
    157,488.23/217,352.21 = 89,515.42/x
  3. Step 3: Cross multiply
    157,488.23x = 217,352.21 × 89,515.42
  4. Step 4: Simplify right side
    157,488.23x = 19,456,373,375.12
  5. Step 5: Solve for x
    x = 19,456,373,375.12/157,488.23
  6. Step 6: Final answer
    x = 123,541.76

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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.