Home / 109,218.20-163,827.30-35,346.20

Finding the Fourth Proportional to 109,218.20, 163,827.30 and 35,346.20

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Solution

The fourth proportional to 109,218.20, 163,827.30 and 35,346.20 is: 53,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,218.20 : 163,827.30 = 35,346.20 : x
  2. Step 2: Convert to fraction form
    109,218.20/163,827.30 = 35,346.20/x
  3. Step 3: Cross multiply
    109,218.20x = 163,827.30 × 35,346.20
  4. Step 4: Simplify right side
    109,218.20x = 5,790,672,511.26
  5. Step 5: Solve for x
    x = 5,790,672,511.26/109,218.20
  6. Step 6: Final answer
    x = 53,019.30

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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.