Home / 149,238.52-205,944.36-88,795.28

Finding the Fourth Proportional to 149,238.52, 205,944.36 and 88,795.28

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Solution

The fourth proportional to 149,238.52, 205,944.36 and 88,795.28 is: 122,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,238.52 : 205,944.36 = 88,795.28 : x
  2. Step 2: Convert to fraction form
    149,238.52/205,944.36 = 88,795.28/x
  3. Step 3: Cross multiply
    149,238.52x = 205,944.36 × 88,795.28
  4. Step 4: Simplify right side
    149,238.52x = 18,286,887,110.62
  5. Step 5: Solve for x
    x = 18,286,887,110.62/149,238.52
  6. Step 6: Final answer
    x = 122,534.63

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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.