Home / 113,351.12-156,470.64-73,067.12

Finding the Fourth Proportional to 113,351.12, 156,470.64 and 73,067.12

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Solution

The fourth proportional to 113,351.12, 156,470.64 and 73,067.12 is: 100,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,351.12 : 156,470.64 = 73,067.12 : x
  2. Step 2: Convert to fraction form
    113,351.12/156,470.64 = 73,067.12/x
  3. Step 3: Cross multiply
    113,351.12x = 156,470.64 × 73,067.12
  4. Step 4: Simplify right side
    113,351.12x = 11,432,859,029.36
  5. Step 5: Solve for x
    x = 11,432,859,029.36/113,351.12
  6. Step 6: Final answer
    x = 100,862.34

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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.