Home / 228,585.12-342,882.24-68,667.36

Finding the Fourth Proportional to 228,585.12, 342,882.24 and 68,667.36

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Solution

The fourth proportional to 228,585.12, 342,882.24 and 68,667.36 is: 103,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,585.12 : 342,882.24 = 68,667.36 : x
  2. Step 2: Convert to fraction form
    228,585.12/342,882.24 = 68,667.36/x
  3. Step 3: Cross multiply
    228,585.12x = 342,882.24 × 68,667.36
  4. Step 4: Simplify right side
    228,585.12x = 23,544,818,211.69
  5. Step 5: Solve for x
    x = 23,544,818,211.69/228,585.12
  6. Step 6: Final answer
    x = 103,002.41

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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.