Home / 167,521.72-251,319.62-55,197.40

Finding the Fourth Proportional to 167,521.72, 251,319.62 and 55,197.40

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Solution

The fourth proportional to 167,521.72, 251,319.62 and 55,197.40 is: 82,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,521.72 : 251,319.62 = 55,197.40 : x
  2. Step 2: Convert to fraction form
    167,521.72/251,319.62 = 55,197.40/x
  3. Step 3: Cross multiply
    167,521.72x = 251,319.62 × 55,197.40
  4. Step 4: Simplify right side
    167,521.72x = 13,872,189,592.99
  5. Step 5: Solve for x
    x = 13,872,189,592.99/167,521.72
  6. Step 6: Final answer
    x = 82,808.30

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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.