Home / 214,628.10-321,942.15-109,652.10

Finding the Fourth Proportional to 214,628.10, 321,942.15 and 109,652.10

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Solution

The fourth proportional to 214,628.10, 321,942.15 and 109,652.10 is: 164,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,628.10 : 321,942.15 = 109,652.10 : x
  2. Step 2: Convert to fraction form
    214,628.10/321,942.15 = 109,652.10/x
  3. Step 3: Cross multiply
    214,628.10x = 321,942.15 × 109,652.10
  4. Step 4: Simplify right side
    214,628.10x = 35,301,632,826.02
  5. Step 5: Solve for x
    x = 35,301,632,826.02/214,628.10
  6. Step 6: Final answer
    x = 164,478.15

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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.