Home / 141,316.20-211,974.30-36,143.40

Finding the Fourth Proportional to 141,316.20, 211,974.30 and 36,143.40

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Solution

The fourth proportional to 141,316.20, 211,974.30 and 36,143.40 is: 54,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,316.20 : 211,974.30 = 36,143.40 : x
  2. Step 2: Convert to fraction form
    141,316.20/211,974.30 = 36,143.40/x
  3. Step 3: Cross multiply
    141,316.20x = 211,974.30 × 36,143.40
  4. Step 4: Simplify right side
    141,316.20x = 7,661,471,914.62
  5. Step 5: Solve for x
    x = 7,661,471,914.62/141,316.20
  6. Step 6: Final answer
    x = 54,215.10

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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.