Home / 150,042.13-207,133.38-115,973.66

Finding the Fourth Proportional to 150,042.13, 207,133.38 and 115,973.66

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Solution

The fourth proportional to 150,042.13, 207,133.38 and 115,973.66 is: 160,101.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,042.13 : 207,133.38 = 115,973.66 : x
  2. Step 2: Convert to fraction form
    150,042.13/207,133.38 = 115,973.66/x
  3. Step 3: Cross multiply
    150,042.13x = 207,133.38 × 115,973.66
  4. Step 4: Simplify right side
    150,042.13x = 24,022,016,704.60
  5. Step 5: Solve for x
    x = 24,022,016,704.60/150,042.13
  6. Step 6: Final answer
    x = 160,101.81

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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.