Home / 167,780.64-231,523.38-98,859.36

Finding the Fourth Proportional to 167,780.64, 231,523.38 and 98,859.36

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Solution

The fourth proportional to 167,780.64, 231,523.38 and 98,859.36 is: 136,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,780.64 : 231,523.38 = 98,859.36 : x
  2. Step 2: Convert to fraction form
    167,780.64/231,523.38 = 98,859.36/x
  3. Step 3: Cross multiply
    167,780.64x = 231,523.38 × 98,859.36
  4. Step 4: Simplify right side
    167,780.64x = 22,888,253,171.84
  5. Step 5: Solve for x
    x = 22,888,253,171.84/167,780.64
  6. Step 6: Final answer
    x = 136,417.72

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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.