Home / 150,391.59-207,537.65-89,178.96

Finding the Fourth Proportional to 150,391.59, 207,537.65 and 89,178.96

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Solution

The fourth proportional to 150,391.59, 207,537.65 and 89,178.96 is: 123,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,391.59 : 207,537.65 = 89,178.96 : x
  2. Step 2: Convert to fraction form
    150,391.59/207,537.65 = 89,178.96/x
  3. Step 3: Cross multiply
    150,391.59x = 207,537.65 × 89,178.96
  4. Step 4: Simplify right side
    150,391.59x = 18,507,990,304.26
  5. Step 5: Solve for x
    x = 18,507,990,304.26/150,391.59
  6. Step 6: Final answer
    x = 123,065.33

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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.