Home / 140,986.20-211,479.30-134,074.20

Finding the Fourth Proportional to 140,986.20, 211,479.30 and 134,074.20

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Solution

The fourth proportional to 140,986.20, 211,479.30 and 134,074.20 is: 201,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,986.20 : 211,479.30 = 134,074.20 : x
  2. Step 2: Convert to fraction form
    140,986.20/211,479.30 = 134,074.20/x
  3. Step 3: Cross multiply
    140,986.20x = 211,479.30 × 134,074.20
  4. Step 4: Simplify right side
    140,986.20x = 28,353,917,964.06
  5. Step 5: Solve for x
    x = 28,353,917,964.06/140,986.20
  6. Step 6: Final answer
    x = 201,111.30

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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.