Home / 354,534.18-531,357.78-177,090.72

Finding the Fourth Proportional to 354,534.18, 531,357.78 and 177,090.72

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Solution

The fourth proportional to 354,534.18, 531,357.78 and 177,090.72 is: 265,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,534.18 : 531,357.78 = 177,090.72 : x
  2. Step 2: Convert to fraction form
    354,534.18/531,357.78 = 177,090.72/x
  3. Step 3: Cross multiply
    354,534.18x = 531,357.78 × 177,090.72
  4. Step 4: Simplify right side
    354,534.18x = 94,098,531,837.80
  5. Step 5: Solve for x
    x = 94,098,531,837.80/354,534.18
  6. Step 6: Final answer
    x = 265,414.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.