Home / 167,681.45-231,398.10-91,198.89

Finding the Fourth Proportional to 167,681.45, 231,398.10 and 91,198.89

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Solution

The fourth proportional to 167,681.45, 231,398.10 and 91,198.89 is: 125,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,681.45 : 231,398.10 = 91,198.89 : x
  2. Step 2: Convert to fraction form
    167,681.45/231,398.10 = 91,198.89/x
  3. Step 3: Cross multiply
    167,681.45x = 231,398.10 × 91,198.89
  4. Step 4: Simplify right side
    167,681.45x = 21,103,249,868.11
  5. Step 5: Solve for x
    x = 21,103,249,868.11/167,681.45
  6. Step 6: Final answer
    x = 125,853.22

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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.