Home / 143,476.92-197,880.24-127,356

Finding the Fourth Proportional to 143,476.92, 197,880.24 and 127,356

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Solution

The fourth proportional to 143,476.92, 197,880.24 and 127,356 is: 175,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,476.92 : 197,880.24 = 127,356 : x
  2. Step 2: Convert to fraction form
    143,476.92/197,880.24 = 127,356/x
  3. Step 3: Cross multiply
    143,476.92x = 197,880.24 × 127,356
  4. Step 4: Simplify right side
    143,476.92x = 25,201,235,845.44
  5. Step 5: Solve for x
    x = 25,201,235,845.44/143,476.92
  6. Step 6: Final answer
    x = 175,646.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.