Home / 141,796.24-212,493.88-78,644.18

Finding the Fourth Proportional to 141,796.24, 212,493.88 and 78,644.18

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Solution

The fourth proportional to 141,796.24, 212,493.88 and 78,644.18 is: 117,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,796.24 : 212,493.88 = 78,644.18 : x
  2. Step 2: Convert to fraction form
    141,796.24/212,493.88 = 78,644.18/x
  3. Step 3: Cross multiply
    141,796.24x = 212,493.88 × 78,644.18
  4. Step 4: Simplify right side
    141,796.24x = 16,711,407,577.16
  5. Step 5: Solve for x
    x = 16,711,407,577.16/141,796.24
  6. Step 6: Final answer
    x = 117,855.08

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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.