Home / 127,179.33-175,508.16-79,460.36

Finding the Fourth Proportional to 127,179.33, 175,508.16 and 79,460.36

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Solution

The fourth proportional to 127,179.33, 175,508.16 and 79,460.36 is: 109,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.33 : 175,508.16 = 79,460.36 : x
  2. Step 2: Convert to fraction form
    127,179.33/175,508.16 = 79,460.36/x
  3. Step 3: Cross multiply
    127,179.33x = 175,508.16 × 79,460.36
  4. Step 4: Simplify right side
    127,179.33x = 13,945,940,699.00
  5. Step 5: Solve for x
    x = 13,945,940,699.00/127,179.33
  6. Step 6: Final answer
    x = 109,655.72

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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.