Home / 140,048.33-209,179.49-126,700.74

Finding the Fourth Proportional to 140,048.33, 209,179.49 and 126,700.74

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Solution

The fourth proportional to 140,048.33, 209,179.49 and 126,700.74 is: 189,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,048.33 : 209,179.49 = 126,700.74 : x
  2. Step 2: Convert to fraction form
    140,048.33/209,179.49 = 126,700.74/x
  3. Step 3: Cross multiply
    140,048.33x = 209,179.49 × 126,700.74
  4. Step 4: Simplify right side
    140,048.33x = 26,503,195,542.32
  5. Step 5: Solve for x
    x = 26,503,195,542.32/140,048.33
  6. Step 6: Final answer
    x = 189,243.22

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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.