Home / 134,997.59-186,272.33-87,223.26

Finding the Fourth Proportional to 134,997.59, 186,272.33 and 87,223.26

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Solution

The fourth proportional to 134,997.59, 186,272.33 and 87,223.26 is: 120,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,997.59 : 186,272.33 = 87,223.26 : x
  2. Step 2: Convert to fraction form
    134,997.59/186,272.33 = 87,223.26/x
  3. Step 3: Cross multiply
    134,997.59x = 186,272.33 × 87,223.26
  4. Step 4: Simplify right side
    134,997.59x = 16,247,280,132.80
  5. Step 5: Solve for x
    x = 16,247,280,132.80/134,997.59
  6. Step 6: Final answer
    x = 120,352.37

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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.