Home / 127,266.74-175,715.97-79,541.54

Finding the Fourth Proportional to 127,266.74, 175,715.97 and 79,541.54

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Solution

The fourth proportional to 127,266.74, 175,715.97 and 79,541.54 is: 109,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,266.74 : 175,715.97 = 79,541.54 : x
  2. Step 2: Convert to fraction form
    127,266.74/175,715.97 = 79,541.54/x
  3. Step 3: Cross multiply
    127,266.74x = 175,715.97 × 79,541.54
  4. Step 4: Simplify right side
    127,266.74x = 13,976,718,856.39
  5. Step 5: Solve for x
    x = 13,976,718,856.39/127,266.74
  6. Step 6: Final answer
    x = 109,822.24

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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.