Home / 551,788.47-827,685.45-167,540.67

Finding the Fourth Proportional to 551,788.47, 827,685.45 and 167,540.67

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Solution

The fourth proportional to 551,788.47, 827,685.45 and 167,540.67 is: 251,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,788.47 : 827,685.45 = 167,540.67 : x
  2. Step 2: Convert to fraction form
    551,788.47/827,685.45 = 167,540.67/x
  3. Step 3: Cross multiply
    551,788.47x = 827,685.45 × 167,540.67
  4. Step 4: Simplify right side
    551,788.47x = 138,670,974,842.25
  5. Step 5: Solve for x
    x = 138,670,974,842.25/551,788.47
  6. Step 6: Final answer
    x = 251,311.84

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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.