Home / 331,511.10-497,266.65-109,895.10

Finding the Fourth Proportional to 331,511.10, 497,266.65 and 109,895.10

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Solution

The fourth proportional to 331,511.10, 497,266.65 and 109,895.10 is: 164,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,511.10 : 497,266.65 = 109,895.10 : x
  2. Step 2: Convert to fraction form
    331,511.10/497,266.65 = 109,895.10/x
  3. Step 3: Cross multiply
    331,511.10x = 497,266.65 × 109,895.10
  4. Step 4: Simplify right side
    331,511.10x = 54,647,168,228.42
  5. Step 5: Solve for x
    x = 54,647,168,228.42/331,511.10
  6. Step 6: Final answer
    x = 164,842.65

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Similar ratio
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1.5x scale

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.