Home / 141,551.18-212,261.15-52,780.85

Finding the Fourth Proportional to 141,551.18, 212,261.15 and 52,780.85

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Solution

The fourth proportional to 141,551.18, 212,261.15 and 52,780.85 is: 79,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,551.18 : 212,261.15 = 52,780.85 : x
  2. Step 2: Convert to fraction form
    141,551.18/212,261.15 = 52,780.85/x
  3. Step 3: Cross multiply
    141,551.18x = 212,261.15 × 52,780.85
  4. Step 4: Simplify right side
    141,551.18x = 11,203,322,857.67
  5. Step 5: Solve for x
    x = 11,203,322,857.67/141,551.18
  6. Step 6: Final answer
    x = 79,146.80

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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.