Home / 109,216.98-163,825.53-30,331.22

Finding the Fourth Proportional to 109,216.98, 163,825.53 and 30,331.22

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Solution

The fourth proportional to 109,216.98, 163,825.53 and 30,331.22 is: 45,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,216.98 : 163,825.53 = 30,331.22 : x
  2. Step 2: Convert to fraction form
    109,216.98/163,825.53 = 30,331.22/x
  3. Step 3: Cross multiply
    109,216.98x = 163,825.53 × 30,331.22
  4. Step 4: Simplify right side
    109,216.98x = 4,969,027,372.92
  5. Step 5: Solve for x
    x = 4,969,027,372.92/109,216.98
  6. Step 6: Final answer
    x = 45,496.84

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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.