Home / 167,126.04-230,648.50-91,689.12

Finding the Fourth Proportional to 167,126.04, 230,648.50 and 91,689.12

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Solution

The fourth proportional to 167,126.04, 230,648.50 and 91,689.12 is: 126,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,126.04 : 230,648.50 = 91,689.12 : x
  2. Step 2: Convert to fraction form
    167,126.04/230,648.50 = 91,689.12/x
  3. Step 3: Cross multiply
    167,126.04x = 230,648.50 × 91,689.12
  4. Step 4: Simplify right side
    167,126.04x = 21,147,957,994.32
  5. Step 5: Solve for x
    x = 21,147,957,994.32/167,126.04
  6. Step 6: Final answer
    x = 126,538.98

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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.