Home / 137,240.28-205,717.70-53,058.26

Finding the Fourth Proportional to 137,240.28, 205,717.70 and 53,058.26

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Solution

The fourth proportional to 137,240.28, 205,717.70 and 53,058.26 is: 79,532.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,240.28 : 205,717.70 = 53,058.26 : x
  2. Step 2: Convert to fraction form
    137,240.28/205,717.70 = 53,058.26/x
  3. Step 3: Cross multiply
    137,240.28x = 205,717.70 × 53,058.26
  4. Step 4: Simplify right side
    137,240.28x = 10,915,022,947.91
  5. Step 5: Solve for x
    x = 10,915,022,947.91/137,240.28
  6. Step 6: Final answer
    x = 79,532.21

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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.