Home / 123,444.46-185,138.97-73,538.79

Finding the Fourth Proportional to 123,444.46, 185,138.97 and 73,538.79

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Solution

The fourth proportional to 123,444.46, 185,138.97 and 73,538.79 is: 110,291.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.46 : 185,138.97 = 73,538.79 : x
  2. Step 2: Convert to fraction form
    123,444.46/185,138.97 = 73,538.79/x
  3. Step 3: Cross multiply
    123,444.46x = 185,138.97 × 73,538.79
  4. Step 4: Simplify right side
    123,444.46x = 13,614,894,865.60
  5. Step 5: Solve for x
    x = 13,614,894,865.60/123,444.46
  6. Step 6: Final answer
    x = 110,291.67

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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.