Home / 140,499.90-211,043.88-119,436.66

Finding the Fourth Proportional to 140,499.90, 211,043.88 and 119,436.66

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Solution

The fourth proportional to 140,499.90, 211,043.88 and 119,436.66 is: 179,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,499.90 : 211,043.88 = 119,436.66 : x
  2. Step 2: Convert to fraction form
    140,499.90/211,043.88 = 119,436.66/x
  3. Step 3: Cross multiply
    140,499.90x = 211,043.88 × 119,436.66
  4. Step 4: Simplify right side
    140,499.90x = 25,206,376,140.64
  5. Step 5: Solve for x
    x = 25,206,376,140.64/140,499.90
  6. Step 6: Final answer
    x = 179,404.94

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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.