Home / 195,153.96-292,177.38-127,764.48

Finding the Fourth Proportional to 195,153.96, 292,177.38 and 127,764.48

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Solution

The fourth proportional to 195,153.96, 292,177.38 and 127,764.48 is: 191,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,153.96 : 292,177.38 = 127,764.48 : x
  2. Step 2: Convert to fraction form
    195,153.96/292,177.38 = 127,764.48/x
  3. Step 3: Cross multiply
    195,153.96x = 292,177.38 × 127,764.48
  4. Step 4: Simplify right side
    195,153.96x = 37,329,891,023.46
  5. Step 5: Solve for x
    x = 37,329,891,023.46/195,153.96
  6. Step 6: Final answer
    x = 191,284.31

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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.