Home / 192,177.96-265,129.32-128,414.76

Finding the Fourth Proportional to 192,177.96, 265,129.32 and 128,414.76

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Solution

The fourth proportional to 192,177.96, 265,129.32 and 128,414.76 is: 177,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,177.96 : 265,129.32 = 128,414.76 : x
  2. Step 2: Convert to fraction form
    192,177.96/265,129.32 = 128,414.76/x
  3. Step 3: Cross multiply
    192,177.96x = 265,129.32 × 128,414.76
  4. Step 4: Simplify right side
    192,177.96x = 34,046,517,996.76
  5. Step 5: Solve for x
    x = 34,046,517,996.76/192,177.96
  6. Step 6: Final answer
    x = 177,161.41

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1.5x scale

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.