Home / 167,248.80-230,805.05-90,768.56

Finding the Fourth Proportional to 167,248.80, 230,805.05 and 90,768.56

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Solution

The fourth proportional to 167,248.80, 230,805.05 and 90,768.56 is: 125,261.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,248.80 : 230,805.05 = 90,768.56 : x
  2. Step 2: Convert to fraction form
    167,248.80/230,805.05 = 90,768.56/x
  3. Step 3: Cross multiply
    167,248.80x = 230,805.05 × 90,768.56
  4. Step 4: Simplify right side
    167,248.80x = 20,949,840,421.36
  5. Step 5: Solve for x
    x = 20,949,840,421.36/167,248.80
  6. Step 6: Final answer
    x = 125,261.53

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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.