Home / 140,738.28-211,107.36-35,557.22

Finding the Fourth Proportional to 140,738.28, 211,107.36 and 35,557.22

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Solution

The fourth proportional to 140,738.28, 211,107.36 and 35,557.22 is: 53,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,738.28 : 211,107.36 = 35,557.22 : x
  2. Step 2: Convert to fraction form
    140,738.28/211,107.36 = 35,557.22/x
  3. Step 3: Cross multiply
    140,738.28x = 211,107.36 × 35,557.22
  4. Step 4: Simplify right side
    140,738.28x = 7,506,390,843.14
  5. Step 5: Solve for x
    x = 7,506,390,843.14/140,738.28
  6. Step 6: Final answer
    x = 53,335.81

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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.