Home / 141,808.08-212,794.80-53,123.88

Finding the Fourth Proportional to 141,808.08, 212,794.80 and 53,123.88

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Solution

The fourth proportional to 141,808.08, 212,794.80 and 53,123.88 is: 79,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,808.08 : 212,794.80 = 53,123.88 : x
  2. Step 2: Convert to fraction form
    141,808.08/212,794.80 = 53,123.88/x
  3. Step 3: Cross multiply
    141,808.08x = 212,794.80 × 53,123.88
  4. Step 4: Simplify right side
    141,808.08x = 11,304,485,419.82
  5. Step 5: Solve for x
    x = 11,304,485,419.82/141,808.08
  6. Step 6: Final answer
    x = 79,716.79

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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.