Home / 142,076.16-212,879.97-127,426.95

Finding the Fourth Proportional to 142,076.16, 212,879.97 and 127,426.95

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Solution

The fourth proportional to 142,076.16, 212,879.97 and 127,426.95 is: 190,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,076.16 : 212,879.97 = 127,426.95 : x
  2. Step 2: Convert to fraction form
    142,076.16/212,879.97 = 127,426.95/x
  3. Step 3: Cross multiply
    142,076.16x = 212,879.97 × 127,426.95
  4. Step 4: Simplify right side
    142,076.16x = 27,126,645,293.19
  5. Step 5: Solve for x
    x = 27,126,645,293.19/142,076.16
  6. Step 6: Final answer
    x = 190,930.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.