Home / 141,251.85-211,767-66,333.44

Finding the Fourth Proportional to 141,251.85, 211,767 and 66,333.44

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Solution

The fourth proportional to 141,251.85, 211,767 and 66,333.44 is: 99,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,251.85 : 211,767 = 66,333.44 : x
  2. Step 2: Convert to fraction form
    141,251.85/211,767 = 66,333.44/x
  3. Step 3: Cross multiply
    141,251.85x = 211,767 × 66,333.44
  4. Step 4: Simplify right side
    141,251.85x = 14,047,232,529.65
  5. Step 5: Solve for x
    x = 14,047,232,529.65/141,251.85
  6. Step 6: Final answer
    x = 99,448.13

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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.