Home / 135,487.50-186,972.39-75,058.26

Finding the Fourth Proportional to 135,487.50, 186,972.39 and 75,058.26

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Solution

The fourth proportional to 135,487.50, 186,972.39 and 75,058.26 is: 103,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,487.50 : 186,972.39 = 75,058.26 : x
  2. Step 2: Convert to fraction form
    135,487.50/186,972.39 = 75,058.26/x
  3. Step 3: Cross multiply
    135,487.50x = 186,972.39 × 75,058.26
  4. Step 4: Simplify right side
    135,487.50x = 14,033,822,261.44
  5. Step 5: Solve for x
    x = 14,033,822,261.44/135,487.50
  6. Step 6: Final answer
    x = 103,580.20

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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.