Home / 109,236.67-163,863.85-30,350.91

Finding the Fourth Proportional to 109,236.67, 163,863.85 and 30,350.91

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Solution

The fourth proportional to 109,236.67, 163,863.85 and 30,350.91 is: 45,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,236.67 : 163,863.85 = 30,350.91 : x
  2. Step 2: Convert to fraction form
    109,236.67/163,863.85 = 30,350.91/x
  3. Step 3: Cross multiply
    109,236.67x = 163,863.85 × 30,350.91
  4. Step 4: Simplify right side
    109,236.67x = 4,973,416,068.41
  5. Step 5: Solve for x
    x = 4,973,416,068.41/109,236.67
  6. Step 6: Final answer
    x = 45,528.81

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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.