Home / 354,719.40-489,523.17-193,584.81

Finding the Fourth Proportional to 354,719.40, 489,523.17 and 193,584.81

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Solution

The fourth proportional to 354,719.40, 489,523.17 and 193,584.81 is: 267,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,719.40 : 489,523.17 = 193,584.81 : x
  2. Step 2: Convert to fraction form
    354,719.40/489,523.17 = 193,584.81/x
  3. Step 3: Cross multiply
    354,719.40x = 489,523.17 × 193,584.81
  4. Step 4: Simplify right side
    354,719.40x = 94,764,250,097.03
  5. Step 5: Solve for x
    x = 94,764,250,097.03/354,719.40
  6. Step 6: Final answer
    x = 267,152.71

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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.