Home / 167,505.64-231,177.45-99,523.17

Finding the Fourth Proportional to 167,505.64, 231,177.45 and 99,523.17

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Solution

The fourth proportional to 167,505.64, 231,177.45 and 99,523.17 is: 137,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,505.64 : 231,177.45 = 99,523.17 : x
  2. Step 2: Convert to fraction form
    167,505.64/231,177.45 = 99,523.17/x
  3. Step 3: Cross multiply
    167,505.64x = 231,177.45 × 99,523.17
  4. Step 4: Simplify right side
    167,505.64x = 23,007,512,656.52
  5. Step 5: Solve for x
    x = 23,007,512,656.52/167,505.64
  6. Step 6: Final answer
    x = 137,353.66

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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.