Home / 167,604.01-231,298.08-91,128.26

Finding the Fourth Proportional to 167,604.01, 231,298.08 and 91,128.26

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Solution

The fourth proportional to 167,604.01, 231,298.08 and 91,128.26 is: 125,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,604.01 : 231,298.08 = 91,128.26 : x
  2. Step 2: Convert to fraction form
    167,604.01/231,298.08 = 91,128.26/x
  3. Step 3: Cross multiply
    167,604.01x = 231,298.08 × 91,128.26
  4. Step 4: Simplify right side
    167,604.01x = 21,077,791,571.74
  5. Step 5: Solve for x
    x = 21,077,791,571.74/167,604.01
  6. Step 6: Final answer
    x = 125,759.47

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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.