Home / 342,610.48-513,787.92-117,907.36

Finding the Fourth Proportional to 342,610.48, 513,787.92 and 117,907.36

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Solution

The fourth proportional to 342,610.48, 513,787.92 and 117,907.36 is: 176,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,610.48 : 513,787.92 = 117,907.36 : x
  2. Step 2: Convert to fraction form
    342,610.48/513,787.92 = 117,907.36/x
  3. Step 3: Cross multiply
    342,610.48x = 513,787.92 × 117,907.36
  4. Step 4: Simplify right side
    342,610.48x = 60,579,377,247.09
  5. Step 5: Solve for x
    x = 60,579,377,247.09/342,610.48
  6. Step 6: Final answer
    x = 176,817.06

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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.