Home / 127,726.27-176,267.73-71,137.66

Finding the Fourth Proportional to 127,726.27, 176,267.73 and 71,137.66

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Solution

The fourth proportional to 127,726.27, 176,267.73 and 71,137.66 is: 98,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.27 : 176,267.73 = 71,137.66 : x
  2. Step 2: Convert to fraction form
    127,726.27/176,267.73 = 71,137.66/x
  3. Step 3: Cross multiply
    127,726.27x = 176,267.73 × 71,137.66
  4. Step 4: Simplify right side
    127,726.27x = 12,539,273,845.71
  5. Step 5: Solve for x
    x = 12,539,273,845.71/127,726.27
  6. Step 6: Final answer
    x = 98,173.02

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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.