Home / 291,046.30-435,869.07-197,267.74

Finding the Fourth Proportional to 291,046.30, 435,869.07 and 197,267.74

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Solution

The fourth proportional to 291,046.30, 435,869.07 and 197,267.74 is: 295,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,046.30 : 435,869.07 = 197,267.74 : x
  2. Step 2: Convert to fraction form
    291,046.30/435,869.07 = 197,267.74/x
  3. Step 3: Cross multiply
    291,046.30x = 435,869.07 × 197,267.74
  4. Step 4: Simplify right side
    291,046.30x = 85,982,906,374.80
  5. Step 5: Solve for x
    x = 85,982,906,374.80/291,046.30
  6. Step 6: Final answer
    x = 295,426.90

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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.