Home / 150,619.15-207,852.71-86,955.58

Finding the Fourth Proportional to 150,619.15, 207,852.71 and 86,955.58

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Solution

The fourth proportional to 150,619.15, 207,852.71 and 86,955.58 is: 119,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,619.15 : 207,852.71 = 86,955.58 : x
  2. Step 2: Convert to fraction form
    150,619.15/207,852.71 = 86,955.58/x
  3. Step 3: Cross multiply
    150,619.15x = 207,852.71 × 86,955.58
  4. Step 4: Simplify right side
    150,619.15x = 18,073,951,853.05
  5. Step 5: Solve for x
    x = 18,073,951,853.05/150,619.15
  6. Step 6: Final answer
    x = 119,997.71

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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.