Home / 134,150.52-200,962.82-77,872.62

Finding the Fourth Proportional to 134,150.52, 200,962.82 and 77,872.62

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Solution

The fourth proportional to 134,150.52, 200,962.82 and 77,872.62 is: 116,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,150.52 : 200,962.82 = 77,872.62 : x
  2. Step 2: Convert to fraction form
    134,150.52/200,962.82 = 77,872.62/x
  3. Step 3: Cross multiply
    134,150.52x = 200,962.82 × 77,872.62
  4. Step 4: Simplify right side
    134,150.52x = 15,649,501,315.99
  5. Step 5: Solve for x
    x = 15,649,501,315.99/134,150.52
  6. Step 6: Final answer
    x = 116,656.29

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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.