Home / 217,401.90-325,665.45-146,543.10

Finding the Fourth Proportional to 217,401.90, 325,665.45 and 146,543.10

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Solution

The fourth proportional to 217,401.90, 325,665.45 and 146,543.10 is: 219,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,401.90 : 325,665.45 = 146,543.10 : x
  2. Step 2: Convert to fraction form
    217,401.90/325,665.45 = 146,543.10/x
  3. Step 3: Cross multiply
    217,401.90x = 325,665.45 × 146,543.10
  4. Step 4: Simplify right side
    217,401.90x = 47,724,024,605.90
  5. Step 5: Solve for x
    x = 47,724,024,605.90/217,401.90
  6. Step 6: Final answer
    x = 219,519.81

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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.