Home / 187,759.06-281,673.89-75,448.18

Finding the Fourth Proportional to 187,759.06, 281,673.89 and 75,448.18

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Solution

The fourth proportional to 187,759.06, 281,673.89 and 75,448.18 is: 113,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,759.06 : 281,673.89 = 75,448.18 : x
  2. Step 2: Convert to fraction form
    187,759.06/281,673.89 = 75,448.18/x
  3. Step 3: Cross multiply
    187,759.06x = 281,673.89 × 75,448.18
  4. Step 4: Simplify right side
    187,759.06x = 21,251,781,027.39
  5. Step 5: Solve for x
    x = 21,251,781,027.39/187,759.06
  6. Step 6: Final answer
    x = 113,186.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.