Home / 453,947.40-680,921.10-154,765.80

Finding the Fourth Proportional to 453,947.40, 680,921.10 and 154,765.80

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Solution

The fourth proportional to 453,947.40, 680,921.10 and 154,765.80 is: 232,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,947.40 : 680,921.10 = 154,765.80 : x
  2. Step 2: Convert to fraction form
    453,947.40/680,921.10 = 154,765.80/x
  3. Step 3: Cross multiply
    453,947.40x = 680,921.10 × 154,765.80
  4. Step 4: Simplify right side
    453,947.40x = 105,383,298,778.38
  5. Step 5: Solve for x
    x = 105,383,298,778.38/453,947.40
  6. Step 6: Final answer
    x = 232,148.70

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