Home / 130,792.43-180,548.39-88,408.37

Finding the Fourth Proportional to 130,792.43, 180,548.39 and 88,408.37

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Solution

The fourth proportional to 130,792.43, 180,548.39 and 88,408.37 is: 122,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,792.43 : 180,548.39 = 88,408.37 : x
  2. Step 2: Convert to fraction form
    130,792.43/180,548.39 = 88,408.37/x
  3. Step 3: Cross multiply
    130,792.43x = 180,548.39 × 88,408.37
  4. Step 4: Simplify right side
    130,792.43x = 15,961,987,521.24
  5. Step 5: Solve for x
    x = 15,961,987,521.24/130,792.43
  6. Step 6: Final answer
    x = 122,040.61

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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.