Home / 140,744.64-211,136.40-47,277.12

Finding the Fourth Proportional to 140,744.64, 211,136.40 and 47,277.12

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Solution

The fourth proportional to 140,744.64, 211,136.40 and 47,277.12 is: 70,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.64 : 211,136.40 = 47,277.12 : x
  2. Step 2: Convert to fraction form
    140,744.64/211,136.40 = 47,277.12/x
  3. Step 3: Cross multiply
    140,744.64x = 211,136.40 × 47,277.12
  4. Step 4: Simplify right side
    140,744.64x = 9,981,920,919.17
  5. Step 5: Solve for x
    x = 9,981,920,919.17/140,744.64
  6. Step 6: Final answer
    x = 70,922.21

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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.