Home / 331,372.23-497,048.43-91,500.71

Finding the Fourth Proportional to 331,372.23, 497,048.43 and 91,500.71

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Solution

The fourth proportional to 331,372.23, 497,048.43 and 91,500.71 is: 137,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,372.23 : 497,048.43 = 91,500.71 : x
  2. Step 2: Convert to fraction form
    331,372.23/497,048.43 = 91,500.71/x
  3. Step 3: Cross multiply
    331,372.23x = 497,048.43 × 91,500.71
  4. Step 4: Simplify right side
    331,372.23x = 45,480,282,107.27
  5. Step 5: Solve for x
    x = 45,480,282,107.27/331,372.23
  6. Step 6: Final answer
    x = 137,248.32

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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.