Home / 109,064.20-163,596.30-100,534.90

Finding the Fourth Proportional to 109,064.20, 163,596.30 and 100,534.90

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Solution

The fourth proportional to 109,064.20, 163,596.30 and 100,534.90 is: 150,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,064.20 : 163,596.30 = 100,534.90 : x
  2. Step 2: Convert to fraction form
    109,064.20/163,596.30 = 100,534.90/x
  3. Step 3: Cross multiply
    109,064.20x = 163,596.30 × 100,534.90
  4. Step 4: Simplify right side
    109,064.20x = 16,447,137,660.87
  5. Step 5: Solve for x
    x = 16,447,137,660.87/109,064.20
  6. Step 6: Final answer
    x = 150,802.35

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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.