Home / 141,108.12-211,727-61,170.48

Finding the Fourth Proportional to 141,108.12, 211,727 and 61,170.48

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Solution

The fourth proportional to 141,108.12, 211,727 and 61,170.48 is: 91,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,108.12 : 211,727 = 61,170.48 : x
  2. Step 2: Convert to fraction form
    141,108.12/211,727 = 61,170.48/x
  3. Step 3: Cross multiply
    141,108.12x = 211,727 × 61,170.48
  4. Step 4: Simplify right side
    141,108.12x = 12,951,442,218.96
  5. Step 5: Solve for x
    x = 12,951,442,218.96/141,108.12
  6. Step 6: Final answer
    x = 91,783.82

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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.