Home / 127,916.28-191,874.96-83,563.92

Finding the Fourth Proportional to 127,916.28, 191,874.96 and 83,563.92

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Solution

The fourth proportional to 127,916.28, 191,874.96 and 83,563.92 is: 125,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.28 : 191,874.96 = 83,563.92 : x
  2. Step 2: Convert to fraction form
    127,916.28/191,874.96 = 83,563.92/x
  3. Step 3: Cross multiply
    127,916.28x = 191,874.96 × 83,563.92
  4. Step 4: Simplify right side
    127,916.28x = 16,033,823,807.44
  5. Step 5: Solve for x
    x = 16,033,823,807.44/127,916.28
  6. Step 6: Final answer
    x = 125,346.23

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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.