Home / 231,315.30-346,972.95-104,906.70

Finding the Fourth Proportional to 231,315.30, 346,972.95 and 104,906.70

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Solution

The fourth proportional to 231,315.30, 346,972.95 and 104,906.70 is: 157,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,315.30 : 346,972.95 = 104,906.70 : x
  2. Step 2: Convert to fraction form
    231,315.30/346,972.95 = 104,906.70/x
  3. Step 3: Cross multiply
    231,315.30x = 346,972.95 × 104,906.70
  4. Step 4: Simplify right side
    231,315.30x = 36,399,787,173.77
  5. Step 5: Solve for x
    x = 36,399,787,173.77/231,315.30
  6. Step 6: Final answer
    x = 157,360.05

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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.