Home / 126,133.97-174,066.25-68,772.83

Finding the Fourth Proportional to 126,133.97, 174,066.25 and 68,772.83

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Solution

The fourth proportional to 126,133.97, 174,066.25 and 68,772.83 is: 94,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,133.97 : 174,066.25 = 68,772.83 : x
  2. Step 2: Convert to fraction form
    126,133.97/174,066.25 = 68,772.83/x
  3. Step 3: Cross multiply
    126,133.97x = 174,066.25 × 68,772.83
  4. Step 4: Simplify right side
    126,133.97x = 11,971,028,883.22
  5. Step 5: Solve for x
    x = 11,971,028,883.22/126,133.97
  6. Step 6: Final answer
    x = 94,907.25

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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.