Home / 127,376.10-175,593.75-89,016.55

Finding the Fourth Proportional to 127,376.10, 175,593.75 and 89,016.55

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Solution

The fourth proportional to 127,376.10, 175,593.75 and 89,016.55 is: 122,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.10 : 175,593.75 = 89,016.55 : x
  2. Step 2: Convert to fraction form
    127,376.10/175,593.75 = 89,016.55/x
  3. Step 3: Cross multiply
    127,376.10x = 175,593.75 × 89,016.55
  4. Step 4: Simplify right side
    127,376.10x = 15,630,749,826.56
  5. Step 5: Solve for x
    x = 15,630,749,826.56/127,376.10
  6. Step 6: Final answer
    x = 122,713.36

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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.