Home / 122,579.92-169,179.96-114,575.48

Finding the Fourth Proportional to 122,579.92, 169,179.96 and 114,575.48

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Solution

The fourth proportional to 122,579.92, 169,179.96 and 114,575.48 is: 158,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,579.92 : 169,179.96 = 114,575.48 : x
  2. Step 2: Convert to fraction form
    122,579.92/169,179.96 = 114,575.48/x
  3. Step 3: Cross multiply
    122,579.92x = 169,179.96 × 114,575.48
  4. Step 4: Simplify right side
    122,579.92x = 19,383,875,123.38
  5. Step 5: Solve for x
    x = 19,383,875,123.38/122,579.92
  6. Step 6: Final answer
    x = 158,132.55

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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.