Home / 109,626.20-164,504.10-72,294.20

Finding the Fourth Proportional to 109,626.20, 164,504.10 and 72,294.20

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Solution

The fourth proportional to 109,626.20, 164,504.10 and 72,294.20 is: 108,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,626.20 : 164,504.10 = 72,294.20 : x
  2. Step 2: Convert to fraction form
    109,626.20/164,504.10 = 72,294.20/x
  3. Step 3: Cross multiply
    109,626.20x = 164,504.10 × 72,294.20
  4. Step 4: Simplify right side
    109,626.20x = 11,892,692,306.22
  5. Step 5: Solve for x
    x = 11,892,692,306.22/109,626.20
  6. Step 6: Final answer
    x = 108,484.03

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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.