Home / 167,506.09-231,194.85-103,030.76

Finding the Fourth Proportional to 167,506.09, 231,194.85 and 103,030.76

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Solution

The fourth proportional to 167,506.09, 231,194.85 and 103,030.76 is: 142,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,506.09 : 231,194.85 = 103,030.76 : x
  2. Step 2: Convert to fraction form
    167,506.09/231,194.85 = 103,030.76/x
  3. Step 3: Cross multiply
    167,506.09x = 231,194.85 × 103,030.76
  4. Step 4: Simplify right side
    167,506.09x = 23,820,181,103.59
  5. Step 5: Solve for x
    x = 23,820,181,103.59/167,506.09
  6. Step 6: Final answer
    x = 142,204.87

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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.