Home / 118,561.90-177,645.39-83,427.73

Finding the Fourth Proportional to 118,561.90, 177,645.39 and 83,427.73

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Solution

The fourth proportional to 118,561.90, 177,645.39 and 83,427.73 is: 125,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,561.90 : 177,645.39 = 83,427.73 : x
  2. Step 2: Convert to fraction form
    118,561.90/177,645.39 = 83,427.73/x
  3. Step 3: Cross multiply
    118,561.90x = 177,645.39 × 83,427.73
  4. Step 4: Simplify right side
    118,561.90x = 14,820,551,632.66
  5. Step 5: Solve for x
    x = 14,820,551,632.66/118,561.90
  6. Step 6: Final answer
    x = 125,002.65

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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.