Home / 135,867.06-187,498.74-75,441.60

Finding the Fourth Proportional to 135,867.06, 187,498.74 and 75,441.60

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Solution

The fourth proportional to 135,867.06, 187,498.74 and 75,441.60 is: 104,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,867.06 : 187,498.74 = 75,441.60 : x
  2. Step 2: Convert to fraction form
    135,867.06/187,498.74 = 75,441.60/x
  3. Step 3: Cross multiply
    135,867.06x = 187,498.74 × 75,441.60
  4. Step 4: Simplify right side
    135,867.06x = 14,145,204,943.58
  5. Step 5: Solve for x
    x = 14,145,204,943.58/135,867.06
  6. Step 6: Final answer
    x = 104,110.63

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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.