Home / 331,345.13-497,017.70-82,027.13

Finding the Fourth Proportional to 331,345.13, 497,017.70 and 82,027.13

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Solution

The fourth proportional to 331,345.13, 497,017.70 and 82,027.13 is: 123,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,345.13 : 497,017.70 = 82,027.13 : x
  2. Step 2: Convert to fraction form
    331,345.13/497,017.70 = 82,027.13/x
  3. Step 3: Cross multiply
    331,345.13x = 497,017.70 × 82,027.13
  4. Step 4: Simplify right side
    331,345.13x = 40,768,935,490.20
  5. Step 5: Solve for x
    x = 40,768,935,490.20/331,345.13
  6. Step 6: Final answer
    x = 123,040.70

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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.