Home / 127,227.88-175,621.64-109,250.72

Finding the Fourth Proportional to 127,227.88, 175,621.64 and 109,250.72

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Solution

The fourth proportional to 127,227.88, 175,621.64 and 109,250.72 is: 150,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.88 : 175,621.64 = 109,250.72 : x
  2. Step 2: Convert to fraction form
    127,227.88/175,621.64 = 109,250.72/x
  3. Step 3: Cross multiply
    127,227.88x = 175,621.64 × 109,250.72
  4. Step 4: Simplify right side
    127,227.88x = 19,186,790,617.58
  5. Step 5: Solve for x
    x = 19,186,790,617.58/127,227.88
  6. Step 6: Final answer
    x = 150,806.49

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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.