Home / 100,938.89-151,408.56-94,773.37

Finding the Fourth Proportional to 100,938.89, 151,408.56 and 94,773.37

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Solution

The fourth proportional to 100,938.89, 151,408.56 and 94,773.37 is: 142,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,938.89 : 151,408.56 = 94,773.37 : x
  2. Step 2: Convert to fraction form
    100,938.89/151,408.56 = 94,773.37/x
  3. Step 3: Cross multiply
    100,938.89x = 151,408.56 × 94,773.37
  4. Step 4: Simplify right side
    100,938.89x = 14,349,498,247.14
  5. Step 5: Solve for x
    x = 14,349,498,247.14/100,938.89
  6. Step 6: Final answer
    x = 142,160.26

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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.