Home / 109,309.33-163,593.65-67,216.07

Finding the Fourth Proportional to 109,309.33, 163,593.65 and 67,216.07

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Solution

The fourth proportional to 109,309.33, 163,593.65 and 67,216.07 is: 100,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,309.33 : 163,593.65 = 67,216.07 : x
  2. Step 2: Convert to fraction form
    109,309.33/163,593.65 = 67,216.07/x
  3. Step 3: Cross multiply
    109,309.33x = 163,593.65 × 67,216.07
  4. Step 4: Simplify right side
    109,309.33x = 10,996,122,806.98
  5. Step 5: Solve for x
    x = 10,996,122,806.98/109,309.33
  6. Step 6: Final answer
    x = 100,596.38

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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.