Home / 127,924.20-176,579.46-76,965.48

Finding the Fourth Proportional to 127,924.20, 176,579.46 and 76,965.48

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Solution

The fourth proportional to 127,924.20, 176,579.46 and 76,965.48 is: 106,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,924.20 : 176,579.46 = 76,965.48 : x
  2. Step 2: Convert to fraction form
    127,924.20/176,579.46 = 76,965.48/x
  3. Step 3: Cross multiply
    127,924.20x = 176,579.46 × 76,965.48
  4. Step 4: Simplify right side
    127,924.20x = 13,590,522,897.04
  5. Step 5: Solve for x
    x = 13,590,522,897.04/127,924.20
  6. Step 6: Final answer
    x = 106,238.87

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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.