Home / 150,397.38-207,548.39-89,970.57

Finding the Fourth Proportional to 150,397.38, 207,548.39 and 89,970.57

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Solution

The fourth proportional to 150,397.38, 207,548.39 and 89,970.57 is: 124,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,397.38 : 207,548.39 = 89,970.57 : x
  2. Step 2: Convert to fraction form
    150,397.38/207,548.39 = 89,970.57/x
  3. Step 3: Cross multiply
    150,397.38x = 207,548.39 × 89,970.57
  4. Step 4: Simplify right side
    150,397.38x = 18,673,246,950.88
  5. Step 5: Solve for x
    x = 18,673,246,950.88/150,397.38
  6. Step 6: Final answer
    x = 124,159.39

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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.