Home / 331,748.01-497,622.35-82,430.01

Finding the Fourth Proportional to 331,748.01, 497,622.35 and 82,430.01

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Solution

The fourth proportional to 331,748.01, 497,622.35 and 82,430.01 is: 123,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,748.01 : 497,622.35 = 82,430.01 : x
  2. Step 2: Convert to fraction form
    331,748.01/497,622.35 = 82,430.01/x
  3. Step 3: Cross multiply
    331,748.01x = 497,622.35 × 82,430.01
  4. Step 4: Simplify right side
    331,748.01x = 41,019,015,286.72
  5. Step 5: Solve for x
    x = 41,019,015,286.72/331,748.01
  6. Step 6: Final answer
    x = 123,645.10

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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.