Home / 109,099.24-163,648.88-30,213.48

Finding the Fourth Proportional to 109,099.24, 163,648.88 and 30,213.48

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Solution

The fourth proportional to 109,099.24, 163,648.88 and 30,213.48 is: 45,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,099.24 : 163,648.88 = 30,213.48 : x
  2. Step 2: Convert to fraction form
    109,099.24/163,648.88 = 30,213.48/x
  3. Step 3: Cross multiply
    109,099.24x = 163,648.88 × 30,213.48
  4. Step 4: Simplify right side
    109,099.24x = 4,944,402,162.90
  5. Step 5: Solve for x
    x = 4,944,402,162.90/109,099.24
  6. Step 6: Final answer
    x = 45,320.23

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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.