Home / 118,237.20-177,355.80-35,131.20

Finding the Fourth Proportional to 118,237.20, 177,355.80 and 35,131.20

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Solution

The fourth proportional to 118,237.20, 177,355.80 and 35,131.20 is: 52,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237.20 : 177,355.80 = 35,131.20 : x
  2. Step 2: Convert to fraction form
    118,237.20/177,355.80 = 35,131.20/x
  3. Step 3: Cross multiply
    118,237.20x = 177,355.80 × 35,131.20
  4. Step 4: Simplify right side
    118,237.20x = 6,230,722,080.96
  5. Step 5: Solve for x
    x = 6,230,722,080.96/118,237.20
  6. Step 6: Final answer
    x = 52,696.80

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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.