Home / 109,622.20-164,433.30-39,503.80

Finding the Fourth Proportional to 109,622.20, 164,433.30 and 39,503.80

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Solution

The fourth proportional to 109,622.20, 164,433.30 and 39,503.80 is: 59,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,622.20 : 164,433.30 = 39,503.80 : x
  2. Step 2: Convert to fraction form
    109,622.20/164,433.30 = 39,503.80/x
  3. Step 3: Cross multiply
    109,622.20x = 164,433.30 × 39,503.80
  4. Step 4: Simplify right side
    109,622.20x = 6,495,740,196.54
  5. Step 5: Solve for x
    x = 6,495,740,196.54/109,622.20
  6. Step 6: Final answer
    x = 59,255.70

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1.5x scale

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.