Home / 239,078.31-358,348.34-104,255.84

Finding the Fourth Proportional to 239,078.31, 358,348.34 and 104,255.84

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Solution

The fourth proportional to 239,078.31, 358,348.34 and 104,255.84 is: 156,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,078.31 : 358,348.34 = 104,255.84 : x
  2. Step 2: Convert to fraction form
    239,078.31/358,348.34 = 104,255.84/x
  3. Step 3: Cross multiply
    239,078.31x = 358,348.34 × 104,255.84
  4. Step 4: Simplify right side
    239,078.31x = 37,359,905,277.24
  5. Step 5: Solve for x
    x = 37,359,905,277.24/239,078.31
  6. Step 6: Final answer
    x = 156,266.39

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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.