Home / 397,248.98-595,789.40-130,946.19

Finding the Fourth Proportional to 397,248.98, 595,789.40 and 130,946.19

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Solution

The fourth proportional to 397,248.98, 595,789.40 and 130,946.19 is: 196,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,248.98 : 595,789.40 = 130,946.19 : x
  2. Step 2: Convert to fraction form
    397,248.98/595,789.40 = 130,946.19/x
  3. Step 3: Cross multiply
    397,248.98x = 595,789.40 × 130,946.19
  4. Step 4: Simplify right side
    397,248.98x = 78,016,351,317.66
  5. Step 5: Solve for x
    x = 78,016,351,317.66/397,248.98
  6. Step 6: Final answer
    x = 196,391.57

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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.