Home / 166,326.76-229,531.03-89,845.86

Finding the Fourth Proportional to 166,326.76, 229,531.03 and 89,845.86

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Solution

The fourth proportional to 166,326.76, 229,531.03 and 89,845.86 is: 123,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,326.76 : 229,531.03 = 89,845.86 : x
  2. Step 2: Convert to fraction form
    166,326.76/229,531.03 = 89,845.86/x
  3. Step 3: Cross multiply
    166,326.76x = 229,531.03 × 89,845.86
  4. Step 4: Simplify right side
    166,326.76x = 20,622,412,787.04
  5. Step 5: Solve for x
    x = 20,622,412,787.04/166,326.76
  6. Step 6: Final answer
    x = 123,987.34

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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.