Home / 143,913.43-215,917.95-63,940.27

Finding the Fourth Proportional to 143,913.43, 215,917.95 and 63,940.27

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Solution

The fourth proportional to 143,913.43, 215,917.95 and 63,940.27 is: 95,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,913.43 : 215,917.95 = 63,940.27 : x
  2. Step 2: Convert to fraction form
    143,913.43/215,917.95 = 63,940.27/x
  3. Step 3: Cross multiply
    143,913.43x = 215,917.95 × 63,940.27
  4. Step 4: Simplify right side
    143,913.43x = 13,805,852,020.85
  5. Step 5: Solve for x
    x = 13,805,852,020.85/143,913.43
  6. Step 6: Final answer
    x = 95,931.64

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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.