Home / 150,546.18-207,738.72-86,904.48

Finding the Fourth Proportional to 150,546.18, 207,738.72 and 86,904.48

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Solution

The fourth proportional to 150,546.18, 207,738.72 and 86,904.48 is: 119,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,546.18 : 207,738.72 = 86,904.48 : x
  2. Step 2: Convert to fraction form
    150,546.18/207,738.72 = 86,904.48/x
  3. Step 3: Cross multiply
    150,546.18x = 207,738.72 × 86,904.48
  4. Step 4: Simplify right side
    150,546.18x = 18,053,425,437.47
  5. Step 5: Solve for x
    x = 18,053,425,437.47/150,546.18
  6. Step 6: Final answer
    x = 119,919.52

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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.