Home / 127,101.88-175,408.91-73,389.16

Finding the Fourth Proportional to 127,101.88, 175,408.91 and 73,389.16

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Solution

The fourth proportional to 127,101.88, 175,408.91 and 73,389.16 is: 101,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.88 : 175,408.91 = 73,389.16 : x
  2. Step 2: Convert to fraction form
    127,101.88/175,408.91 = 73,389.16/x
  3. Step 3: Cross multiply
    127,101.88x = 175,408.91 × 73,389.16
  4. Step 4: Simplify right side
    127,101.88x = 12,873,112,194.47
  5. Step 5: Solve for x
    x = 12,873,112,194.47/127,101.88
  6. Step 6: Final answer
    x = 101,281.84

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1.5x scale

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.