Home / 285,344.23-428,003.01-116,822.89

Finding the Fourth Proportional to 285,344.23, 428,003.01 and 116,822.89

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Solution

The fourth proportional to 285,344.23, 428,003.01 and 116,822.89 is: 175,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,344.23 : 428,003.01 = 116,822.89 : x
  2. Step 2: Convert to fraction form
    285,344.23/428,003.01 = 116,822.89/x
  3. Step 3: Cross multiply
    285,344.23x = 428,003.01 × 116,822.89
  4. Step 4: Simplify right side
    285,344.23x = 50,000,545,832.77
  5. Step 5: Solve for x
    x = 50,000,545,832.77/285,344.23
  6. Step 6: Final answer
    x = 175,228.87

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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.