Home / 291,056.28-401,657.09-163,731.97

Finding the Fourth Proportional to 291,056.28, 401,657.09 and 163,731.97

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Solution

The fourth proportional to 291,056.28, 401,657.09 and 163,731.97 is: 225,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,056.28 : 401,657.09 = 163,731.97 : x
  2. Step 2: Convert to fraction form
    291,056.28/401,657.09 = 163,731.97/x
  3. Step 3: Cross multiply
    291,056.28x = 401,657.09 × 163,731.97
  4. Step 4: Simplify right side
    291,056.28x = 65,764,106,610.17
  5. Step 5: Solve for x
    x = 65,764,106,610.17/291,056.28
  6. Step 6: Final answer
    x = 225,949.79

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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.