Home / 543,028.15-814,648.39-163,979.74

Finding the Fourth Proportional to 543,028.15, 814,648.39 and 163,979.74

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Solution

The fourth proportional to 543,028.15, 814,648.39 and 163,979.74 is: 246,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,028.15 : 814,648.39 = 163,979.74 : x
  2. Step 2: Convert to fraction form
    543,028.15/814,648.39 = 163,979.74/x
  3. Step 3: Cross multiply
    543,028.15x = 814,648.39 × 163,979.74
  4. Step 4: Simplify right side
    543,028.15x = 133,585,831,791.98
  5. Step 5: Solve for x
    x = 133,585,831,791.98/543,028.15
  6. Step 6: Final answer
    x = 246,001.67

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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.