Home / 331,696.10-497,539.56-198,613.10

Finding the Fourth Proportional to 331,696.10, 497,539.56 and 198,613.10

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Solution

The fourth proportional to 331,696.10, 497,539.56 and 198,613.10 is: 297,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,696.10 : 497,539.56 = 198,613.10 : x
  2. Step 2: Convert to fraction form
    331,696.10/497,539.56 = 198,613.10/x
  3. Step 3: Cross multiply
    331,696.10x = 497,539.56 × 198,613.10
  4. Step 4: Simplify right side
    331,696.10x = 98,817,874,384.24
  5. Step 5: Solve for x
    x = 98,817,874,384.24/331,696.10
  6. Step 6: Final answer
    x = 297,916.90

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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.