Home / 197,832.15-296,875.80-109,149.30

Finding the Fourth Proportional to 197,832.15, 296,875.80 and 109,149.30

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Solution

The fourth proportional to 197,832.15, 296,875.80 and 109,149.30 is: 163,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,832.15 : 296,875.80 = 109,149.30 : x
  2. Step 2: Convert to fraction form
    197,832.15/296,875.80 = 109,149.30/x
  3. Step 3: Cross multiply
    197,832.15x = 296,875.80 × 109,149.30
  4. Step 4: Simplify right side
    197,832.15x = 32,403,785,756.94
  5. Step 5: Solve for x
    x = 32,403,785,756.94/197,832.15
  6. Step 6: Final answer
    x = 163,794.34

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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.