Home / 138,066.24-206,091.38-118,470.72

Finding the Fourth Proportional to 138,066.24, 206,091.38 and 118,470.72

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Solution

The fourth proportional to 138,066.24, 206,091.38 and 118,470.72 is: 176,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,066.24 : 206,091.38 = 118,470.72 : x
  2. Step 2: Convert to fraction form
    138,066.24/206,091.38 = 118,470.72/x
  3. Step 3: Cross multiply
    138,066.24x = 206,091.38 × 118,470.72
  4. Step 4: Simplify right side
    138,066.24x = 24,415,794,174.39
  5. Step 5: Solve for x
    x = 24,415,794,174.39/138,066.24
  6. Step 6: Final answer
    x = 176,841.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.