Home / 141,462.42-195,221.84-77,801.89

Finding the Fourth Proportional to 141,462.42, 195,221.84 and 77,801.89

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Solution

The fourth proportional to 141,462.42, 195,221.84 and 77,801.89 is: 107,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,462.42 : 195,221.84 = 77,801.89 : x
  2. Step 2: Convert to fraction form
    141,462.42/195,221.84 = 77,801.89/x
  3. Step 3: Cross multiply
    141,462.42x = 195,221.84 × 77,801.89
  4. Step 4: Simplify right side
    141,462.42x = 15,188,627,244.21
  5. Step 5: Solve for x
    x = 15,188,627,244.21/141,462.42
  6. Step 6: Final answer
    x = 107,368.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.