Home / 150,531.15-207,726.74-90,066.06

Finding the Fourth Proportional to 150,531.15, 207,726.74 and 90,066.06

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Solution

The fourth proportional to 150,531.15, 207,726.74 and 90,066.06 is: 124,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,531.15 : 207,726.74 = 90,066.06 : x
  2. Step 2: Convert to fraction form
    150,531.15/207,726.74 = 90,066.06/x
  3. Step 3: Cross multiply
    150,531.15x = 207,726.74 × 90,066.06
  4. Step 4: Simplify right side
    150,531.15x = 18,709,129,028.44
  5. Step 5: Solve for x
    x = 18,709,129,028.44/150,531.15
  6. Step 6: Final answer
    x = 124,287.43

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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.