Home / 331,521.39-457,501.38-193,708.41

Finding the Fourth Proportional to 331,521.39, 457,501.38 and 193,708.41

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Solution

The fourth proportional to 331,521.39, 457,501.38 and 193,708.41 is: 267,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,521.39 : 457,501.38 = 193,708.41 : x
  2. Step 2: Convert to fraction form
    331,521.39/457,501.38 = 193,708.41/x
  3. Step 3: Cross multiply
    331,521.39x = 457,501.38 × 193,708.41
  4. Step 4: Simplify right side
    331,521.39x = 88,621,864,892.61
  5. Step 5: Solve for x
    x = 88,621,864,892.61/331,521.39
  6. Step 6: Final answer
    x = 267,318.69

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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.