Home / 331,119.37-457,032.60-203,901.58

Finding the Fourth Proportional to 331,119.37, 457,032.60 and 203,901.58

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Solution

The fourth proportional to 331,119.37, 457,032.60 and 203,901.58 is: 281,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,119.37 : 457,032.60 = 203,901.58 : x
  2. Step 2: Convert to fraction form
    331,119.37/457,032.60 = 203,901.58/x
  3. Step 3: Cross multiply
    331,119.37x = 457,032.60 × 203,901.58
  4. Step 4: Simplify right side
    331,119.37x = 93,189,669,251.51
  5. Step 5: Solve for x
    x = 93,189,669,251.51/331,119.37
  6. Step 6: Final answer
    x = 281,438.29

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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.