Home / 106,151.88-159,178.62-39,574.14

Finding the Fourth Proportional to 106,151.88, 159,178.62 and 39,574.14

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Solution

The fourth proportional to 106,151.88, 159,178.62 and 39,574.14 is: 59,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,151.88 : 159,178.62 = 39,574.14 : x
  2. Step 2: Convert to fraction form
    106,151.88/159,178.62 = 39,574.14/x
  3. Step 3: Cross multiply
    106,151.88x = 159,178.62 × 39,574.14
  4. Step 4: Simplify right side
    106,151.88x = 6,299,356,992.89
  5. Step 5: Solve for x
    x = 6,299,356,992.89/106,151.88
  6. Step 6: Final answer
    x = 59,342.87

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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.