Home / 140,890.14-211,236.78-52,132.13

Finding the Fourth Proportional to 140,890.14, 211,236.78 and 52,132.13

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Solution

The fourth proportional to 140,890.14, 211,236.78 and 52,132.13 is: 78,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,890.14 : 211,236.78 = 52,132.13 : x
  2. Step 2: Convert to fraction form
    140,890.14/211,236.78 = 52,132.13/x
  3. Step 3: Cross multiply
    140,890.14x = 211,236.78 × 52,132.13
  4. Step 4: Simplify right side
    140,890.14x = 11,012,223,275.74
  5. Step 5: Solve for x
    x = 11,012,223,275.74/140,890.14
  6. Step 6: Final answer
    x = 78,161.77

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1.5x scale

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.