Home / 118,668.14-177,805.65-83,435.66

Finding the Fourth Proportional to 118,668.14, 177,805.65 and 83,435.66

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Solution

The fourth proportional to 118,668.14, 177,805.65 and 83,435.66 is: 125,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,668.14 : 177,805.65 = 83,435.66 : x
  2. Step 2: Convert to fraction form
    118,668.14/177,805.65 = 83,435.66/x
  3. Step 3: Cross multiply
    118,668.14x = 177,805.65 × 83,435.66
  4. Step 4: Simplify right side
    118,668.14x = 14,835,331,759.48
  5. Step 5: Solve for x
    x = 14,835,331,759.48/118,668.14
  6. Step 6: Final answer
    x = 125,015.29

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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.