Home / 107,231.87-148,018.29-73,215.95

Finding the Fourth Proportional to 107,231.87, 148,018.29 and 73,215.95

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Solution

The fourth proportional to 107,231.87, 148,018.29 and 73,215.95 is: 101,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,231.87 : 148,018.29 = 73,215.95 : x
  2. Step 2: Convert to fraction form
    107,231.87/148,018.29 = 73,215.95/x
  3. Step 3: Cross multiply
    107,231.87x = 148,018.29 × 73,215.95
  4. Step 4: Simplify right side
    107,231.87x = 10,837,299,719.73
  5. Step 5: Solve for x
    x = 10,837,299,719.73/107,231.87
  6. Step 6: Final answer
    x = 101,064.17

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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.