Home / 151,764.36-209,449.72-88,098.36

Finding the Fourth Proportional to 151,764.36, 209,449.72 and 88,098.36

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Solution

The fourth proportional to 151,764.36, 209,449.72 and 88,098.36 is: 121,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,764.36 : 209,449.72 = 88,098.36 : x
  2. Step 2: Convert to fraction form
    151,764.36/209,449.72 = 88,098.36/x
  3. Step 3: Cross multiply
    151,764.36x = 209,449.72 × 88,098.36
  4. Step 4: Simplify right side
    151,764.36x = 18,452,176,159.15
  5. Step 5: Solve for x
    x = 18,452,176,159.15/151,764.36
  6. Step 6: Final answer
    x = 121,584.39

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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.