Home / 140,340.20-211,028.70-117,530.60

Finding the Fourth Proportional to 140,340.20, 211,028.70 and 117,530.60

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Solution

The fourth proportional to 140,340.20, 211,028.70 and 117,530.60 is: 176,730.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340.20 : 211,028.70 = 117,530.60 : x
  2. Step 2: Convert to fraction form
    140,340.20/211,028.70 = 117,530.60/x
  3. Step 3: Cross multiply
    140,340.20x = 211,028.70 × 117,530.60
  4. Step 4: Simplify right side
    140,340.20x = 24,802,329,728.22
  5. Step 5: Solve for x
    x = 24,802,329,728.22/140,340.20
  6. Step 6: Final answer
    x = 176,730.04

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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.