Home / 109,766.10-164,649.15-108,599.70

Finding the Fourth Proportional to 109,766.10, 164,649.15 and 108,599.70

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Solution

The fourth proportional to 109,766.10, 164,649.15 and 108,599.70 is: 162,899.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,766.10 : 164,649.15 = 108,599.70 : x
  2. Step 2: Convert to fraction form
    109,766.10/164,649.15 = 108,599.70/x
  3. Step 3: Cross multiply
    109,766.10x = 164,649.15 × 108,599.70
  4. Step 4: Simplify right side
    109,766.10x = 17,880,848,295.26
  5. Step 5: Solve for x
    x = 17,880,848,295.26/109,766.10
  6. Step 6: Final answer
    x = 162,899.55

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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.