Home / 105,318.76-157,163.06-94,103.56

Finding the Fourth Proportional to 105,318.76, 157,163.06 and 94,103.56

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Solution

The fourth proportional to 105,318.76, 157,163.06 and 94,103.56 is: 140,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,318.76 : 157,163.06 = 94,103.56 : x
  2. Step 2: Convert to fraction form
    105,318.76/157,163.06 = 94,103.56/x
  3. Step 3: Cross multiply
    105,318.76x = 157,163.06 × 94,103.56
  4. Step 4: Simplify right side
    105,318.76x = 14,789,603,446.49
  5. Step 5: Solve for x
    x = 14,789,603,446.49/105,318.76
  6. Step 6: Final answer
    x = 140,427.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.