Home / 150,757.24-208,045.15-89,515.65

Finding the Fourth Proportional to 150,757.24, 208,045.15 and 89,515.65

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Solution

The fourth proportional to 150,757.24, 208,045.15 and 89,515.65 is: 123,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,757.24 : 208,045.15 = 89,515.65 : x
  2. Step 2: Convert to fraction form
    150,757.24/208,045.15 = 89,515.65/x
  3. Step 3: Cross multiply
    150,757.24x = 208,045.15 × 89,515.65
  4. Step 4: Simplify right side
    150,757.24x = 18,623,296,542.16
  5. Step 5: Solve for x
    x = 18,623,296,542.16/150,757.24
  6. Step 6: Final answer
    x = 123,531.69

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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.