Home / 167,279.12-230,838.96-90,796.58

Finding the Fourth Proportional to 167,279.12, 230,838.96 and 90,796.58

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Solution

The fourth proportional to 167,279.12, 230,838.96 and 90,796.58 is: 125,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,279.12 : 230,838.96 = 90,796.58 : x
  2. Step 2: Convert to fraction form
    167,279.12/230,838.96 = 90,796.58/x
  3. Step 3: Cross multiply
    167,279.12x = 230,838.96 × 90,796.58
  4. Step 4: Simplify right side
    167,279.12x = 20,959,386,944.56
  5. Step 5: Solve for x
    x = 20,959,386,944.56/167,279.12
  6. Step 6: Final answer
    x = 125,295.90

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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.