Home / 245,618.64-366,512.40-219,141.36

Finding the Fourth Proportional to 245,618.64, 366,512.40 and 219,141.36

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Solution

The fourth proportional to 245,618.64, 366,512.40 and 219,141.36 is: 327,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,618.64 : 366,512.40 = 219,141.36 : x
  2. Step 2: Convert to fraction form
    245,618.64/366,512.40 = 219,141.36/x
  3. Step 3: Cross multiply
    245,618.64x = 366,512.40 × 219,141.36
  4. Step 4: Simplify right side
    245,618.64x = 80,318,025,792.86
  5. Step 5: Solve for x
    x = 80,318,025,792.86/245,618.64
  6. Step 6: Final answer
    x = 327,002.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.