Home / 127,940.48-176,557.52-71,351.92

Finding the Fourth Proportional to 127,940.48, 176,557.52 and 71,351.92

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Solution

The fourth proportional to 127,940.48, 176,557.52 and 71,351.92 is: 98,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,940.48 : 176,557.52 = 71,351.92 : x
  2. Step 2: Convert to fraction form
    127,940.48/176,557.52 = 71,351.92/x
  3. Step 3: Cross multiply
    127,940.48x = 176,557.52 × 71,351.92
  4. Step 4: Simplify right side
    127,940.48x = 12,597,718,042.44
  5. Step 5: Solve for x
    x = 12,597,718,042.44/127,940.48
  6. Step 6: Final answer
    x = 98,465.46

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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.