Home / 109,863.61-164,795.41-104,253.95

Finding the Fourth Proportional to 109,863.61, 164,795.41 and 104,253.95

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Solution

The fourth proportional to 109,863.61, 164,795.41 and 104,253.95 is: 156,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,863.61 : 164,795.41 = 104,253.95 : x
  2. Step 2: Convert to fraction form
    109,863.61/164,795.41 = 104,253.95/x
  3. Step 3: Cross multiply
    109,863.61x = 164,795.41 × 104,253.95
  4. Step 4: Simplify right side
    109,863.61x = 17,180,572,976.68
  5. Step 5: Solve for x
    x = 17,180,572,976.68/109,863.61
  6. Step 6: Final answer
    x = 156,380.93

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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.