Home / 331,144.30-456,983.91-185,981.49

Finding the Fourth Proportional to 331,144.30, 456,983.91 and 185,981.49

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Solution

The fourth proportional to 331,144.30, 456,983.91 and 185,981.49 is: 256,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,144.30 : 456,983.91 = 185,981.49 : x
  2. Step 2: Convert to fraction form
    331,144.30/456,983.91 = 185,981.49/x
  3. Step 3: Cross multiply
    331,144.30x = 456,983.91 × 185,981.49
  4. Step 4: Simplify right side
    331,144.30x = 84,990,548,487.83
  5. Step 5: Solve for x
    x = 84,990,548,487.83/331,144.30
  6. Step 6: Final answer
    x = 256,657.14

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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.