Home / 331,631.48-497,443.54-198,548.92

Finding the Fourth Proportional to 331,631.48, 497,443.54 and 198,548.92

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Solution

The fourth proportional to 331,631.48, 497,443.54 and 198,548.92 is: 297,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,631.48 : 497,443.54 = 198,548.92 : x
  2. Step 2: Convert to fraction form
    331,631.48/497,443.54 = 198,548.92/x
  3. Step 3: Cross multiply
    331,631.48x = 497,443.54 × 198,548.92
  4. Step 4: Simplify right side
    331,631.48x = 98,766,877,627.98
  5. Step 5: Solve for x
    x = 98,766,877,627.98/331,631.48
  6. Step 6: Final answer
    x = 297,821.18

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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.