Home / 167,446.91-231,075.82-90,965.40

Finding the Fourth Proportional to 167,446.91, 231,075.82 and 90,965.40

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Solution

The fourth proportional to 167,446.91, 231,075.82 and 90,965.40 is: 125,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,446.91 : 231,075.82 = 90,965.40 : x
  2. Step 2: Convert to fraction form
    167,446.91/231,075.82 = 90,965.40/x
  3. Step 3: Cross multiply
    167,446.91x = 231,075.82 × 90,965.40
  4. Step 4: Simplify right side
    167,446.91x = 21,019,904,396.63
  5. Step 5: Solve for x
    x = 21,019,904,396.63/167,446.91
  6. Step 6: Final answer
    x = 125,531.75

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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.