Home / 101,327.03-151,248.55-89,356.52

Finding the Fourth Proportional to 101,327.03, 151,248.55 and 89,356.52

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Solution

The fourth proportional to 101,327.03, 151,248.55 and 89,356.52 is: 133,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,327.03 : 151,248.55 = 89,356.52 : x
  2. Step 2: Convert to fraction form
    101,327.03/151,248.55 = 89,356.52/x
  3. Step 3: Cross multiply
    101,327.03x = 151,248.55 × 89,356.52
  4. Step 4: Simplify right side
    101,327.03x = 13,515,044,083.05
  5. Step 5: Solve for x
    x = 13,515,044,083.05/101,327.03
  6. Step 6: Final answer
    x = 133,380.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.