Home / 127,058.20-175,372.22-86,291.32

Finding the Fourth Proportional to 127,058.20, 175,372.22 and 86,291.32

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Solution

The fourth proportional to 127,058.20, 175,372.22 and 86,291.32 is: 119,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,058.20 : 175,372.22 = 86,291.32 : x
  2. Step 2: Convert to fraction form
    127,058.20/175,372.22 = 86,291.32/x
  3. Step 3: Cross multiply
    127,058.20x = 175,372.22 × 86,291.32
  4. Step 4: Simplify right side
    127,058.20x = 15,133,100,355.13
  5. Step 5: Solve for x
    x = 15,133,100,355.13/127,058.20
  6. Step 6: Final answer
    x = 119,103.69

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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.