Home / 140,954.16-194,517-77,291.52

Finding the Fourth Proportional to 140,954.16, 194,517 and 77,291.52

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Solution

The fourth proportional to 140,954.16, 194,517 and 77,291.52 is: 106,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,954.16 : 194,517 = 77,291.52 : x
  2. Step 2: Convert to fraction form
    140,954.16/194,517 = 77,291.52/x
  3. Step 3: Cross multiply
    140,954.16x = 194,517 × 77,291.52
  4. Step 4: Simplify right side
    140,954.16x = 15,034,514,595.84
  5. Step 5: Solve for x
    x = 15,034,514,595.84/140,954.16
  6. Step 6: Final answer
    x = 106,662.44

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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.