Home / 177,268.80-265,255.20-130,612.80

Finding the Fourth Proportional to 177,268.80, 265,255.20 and 130,612.80

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Solution

The fourth proportional to 177,268.80, 265,255.20 and 130,612.80 is: 195,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,268.80 : 265,255.20 = 130,612.80 : x
  2. Step 2: Convert to fraction form
    177,268.80/265,255.20 = 130,612.80/x
  3. Step 3: Cross multiply
    177,268.80x = 265,255.20 × 130,612.80
  4. Step 4: Simplify right side
    177,268.80x = 34,645,724,386.56
  5. Step 5: Solve for x
    x = 34,645,724,386.56/177,268.80
  6. Step 6: Final answer
    x = 195,441.75

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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.