Home / 331,803.24-497,755.08-121,391.16

Finding the Fourth Proportional to 331,803.24, 497,755.08 and 121,391.16

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Solution

The fourth proportional to 331,803.24, 497,755.08 and 121,391.16 is: 182,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,803.24 : 497,755.08 = 121,391.16 : x
  2. Step 2: Convert to fraction form
    331,803.24/497,755.08 = 121,391.16/x
  3. Step 3: Cross multiply
    331,803.24x = 497,755.08 × 121,391.16
  4. Step 4: Simplify right side
    331,803.24x = 60,423,066,557.09
  5. Step 5: Solve for x
    x = 60,423,066,557.09/331,803.24
  6. Step 6: Final answer
    x = 182,105.11

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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.