Home / 645,531.32-968,261.92-196,217.17

Finding the Fourth Proportional to 645,531.32, 968,261.92 and 196,217.17

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Solution

The fourth proportional to 645,531.32, 968,261.92 and 196,217.17 is: 294,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,531.32 : 968,261.92 = 196,217.17 : x
  2. Step 2: Convert to fraction form
    645,531.32/968,261.92 = 196,217.17/x
  3. Step 3: Cross multiply
    645,531.32x = 968,261.92 × 196,217.17
  4. Step 4: Simplify right side
    645,531.32x = 189,989,610,849.97
  5. Step 5: Solve for x
    x = 189,989,610,849.97/645,531.32
  6. Step 6: Final answer
    x = 294,315.09

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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.