Home / 234,905.75-324,170.79-127,475.76

Finding the Fourth Proportional to 234,905.75, 324,170.79 and 127,475.76

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Solution

The fourth proportional to 234,905.75, 324,170.79 and 127,475.76 is: 175,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,905.75 : 324,170.79 = 127,475.76 : x
  2. Step 2: Convert to fraction form
    234,905.75/324,170.79 = 127,475.76/x
  3. Step 3: Cross multiply
    234,905.75x = 324,170.79 × 127,475.76
  4. Step 4: Simplify right side
    234,905.75x = 41,323,917,825.05
  5. Step 5: Solve for x
    x = 41,323,917,825.05/234,905.75
  6. Step 6: Final answer
    x = 175,917.01

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1.5x scale

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.