Home / 215,626.26-323,501.75-89,243.14

Finding the Fourth Proportional to 215,626.26, 323,501.75 and 89,243.14

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Solution

The fourth proportional to 215,626.26, 323,501.75 and 89,243.14 is: 133,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,626.26 : 323,501.75 = 89,243.14 : x
  2. Step 2: Convert to fraction form
    215,626.26/323,501.75 = 89,243.14/x
  3. Step 3: Cross multiply
    215,626.26x = 323,501.75 × 89,243.14
  4. Step 4: Simplify right side
    215,626.26x = 28,870,311,965.50
  5. Step 5: Solve for x
    x = 28,870,311,965.50/215,626.26
  6. Step 6: Final answer
    x = 133,890.52

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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.