Home / 243,669.82-336,162.49-189,861.42

Finding the Fourth Proportional to 243,669.82, 336,162.49 and 189,861.42

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Solution

The fourth proportional to 243,669.82, 336,162.49 and 189,861.42 is: 261,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,669.82 : 336,162.49 = 189,861.42 : x
  2. Step 2: Convert to fraction form
    243,669.82/336,162.49 = 189,861.42/x
  3. Step 3: Cross multiply
    243,669.82x = 336,162.49 × 189,861.42
  4. Step 4: Simplify right side
    243,669.82x = 63,824,287,702.14
  5. Step 5: Solve for x
    x = 63,824,287,702.14/243,669.82
  6. Step 6: Final answer
    x = 261,929.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.