Home / 225,764.55-338,665.23-113,386.95

Finding the Fourth Proportional to 225,764.55, 338,665.23 and 113,386.95

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Solution

The fourth proportional to 225,764.55, 338,665.23 and 113,386.95 is: 170,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,764.55 : 338,665.23 = 113,386.95 : x
  2. Step 2: Convert to fraction form
    225,764.55/338,665.23 = 113,386.95/x
  3. Step 3: Cross multiply
    225,764.55x = 338,665.23 × 113,386.95
  4. Step 4: Simplify right side
    225,764.55x = 38,400,217,500.75
  5. Step 5: Solve for x
    x = 38,400,217,500.75/225,764.55
  6. Step 6: Final answer
    x = 170,089.67

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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.