Home / 296,979.40-445,469.10-195,502.60

Finding the Fourth Proportional to 296,979.40, 445,469.10 and 195,502.60

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Solution

The fourth proportional to 296,979.40, 445,469.10 and 195,502.60 is: 293,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,979.40 : 445,469.10 = 195,502.60 : x
  2. Step 2: Convert to fraction form
    296,979.40/445,469.10 = 195,502.60/x
  3. Step 3: Cross multiply
    296,979.40x = 445,469.10 × 195,502.60
  4. Step 4: Simplify right side
    296,979.40x = 87,090,367,269.66
  5. Step 5: Solve for x
    x = 87,090,367,269.66/296,979.40
  6. Step 6: Final answer
    x = 293,253.90

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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.