Home / 140,836.35-211,275.72-40,983.60

Finding the Fourth Proportional to 140,836.35, 211,275.72 and 40,983.60

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Solution

The fourth proportional to 140,836.35, 211,275.72 and 40,983.60 is: 61,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,836.35 : 211,275.72 = 40,983.60 : x
  2. Step 2: Convert to fraction form
    140,836.35/211,275.72 = 40,983.60/x
  3. Step 3: Cross multiply
    140,836.35x = 211,275.72 × 40,983.60
  4. Step 4: Simplify right side
    140,836.35x = 8,658,839,598.19
  5. Step 5: Solve for x
    x = 8,658,839,598.19/140,836.35
  6. Step 6: Final answer
    x = 61,481.57

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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.