Home / 126,197.38-174,060.93-85,839.49

Finding the Fourth Proportional to 126,197.38, 174,060.93 and 85,839.49

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Solution

The fourth proportional to 126,197.38, 174,060.93 and 85,839.49 is: 118,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,197.38 : 174,060.93 = 85,839.49 : x
  2. Step 2: Convert to fraction form
    126,197.38/174,060.93 = 85,839.49/x
  3. Step 3: Cross multiply
    126,197.38x = 174,060.93 × 85,839.49
  4. Step 4: Simplify right side
    126,197.38x = 14,941,301,460.13
  5. Step 5: Solve for x
    x = 14,941,301,460.13/126,197.38
  6. Step 6: Final answer
    x = 118,396.29

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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.