Home / 141,209.12-211,751.48-66,350.56

Finding the Fourth Proportional to 141,209.12, 211,751.48 and 66,350.56

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Solution

The fourth proportional to 141,209.12, 211,751.48 and 66,350.56 is: 99,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.12 : 211,751.48 = 66,350.56 : x
  2. Step 2: Convert to fraction form
    141,209.12/211,751.48 = 66,350.56/x
  3. Step 3: Cross multiply
    141,209.12x = 211,751.48 × 66,350.56
  4. Step 4: Simplify right side
    141,209.12x = 14,049,829,278.83
  5. Step 5: Solve for x
    x = 14,049,829,278.83/141,209.12
  6. Step 6: Final answer
    x = 99,496.61

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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.