Home / 167,815.42-231,587.84-91,337.55

Finding the Fourth Proportional to 167,815.42, 231,587.84 and 91,337.55

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Solution

The fourth proportional to 167,815.42, 231,587.84 and 91,337.55 is: 126,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,815.42 : 231,587.84 = 91,337.55 : x
  2. Step 2: Convert to fraction form
    167,815.42/231,587.84 = 91,337.55/x
  3. Step 3: Cross multiply
    167,815.42x = 231,587.84 × 91,337.55
  4. Step 4: Simplify right side
    167,815.42x = 21,152,665,275.28
  5. Step 5: Solve for x
    x = 21,152,665,275.28/167,815.42
  6. Step 6: Final answer
    x = 126,047.21

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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.