Home / 126,201.18-174,151.86-68,839.14

Finding the Fourth Proportional to 126,201.18, 174,151.86 and 68,839.14

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Solution

The fourth proportional to 126,201.18, 174,151.86 and 68,839.14 is: 94,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,201.18 : 174,151.86 = 68,839.14 : x
  2. Step 2: Convert to fraction form
    126,201.18/174,151.86 = 68,839.14/x
  3. Step 3: Cross multiply
    126,201.18x = 174,151.86 × 68,839.14
  4. Step 4: Simplify right side
    126,201.18x = 11,988,464,271.80
  5. Step 5: Solve for x
    x = 11,988,464,271.80/126,201.18
  6. Step 6: Final answer
    x = 94,994.87

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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.