Home / 331,264.32-457,145.28-180,361.92

Finding the Fourth Proportional to 331,264.32, 457,145.28 and 180,361.92

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Solution

The fourth proportional to 331,264.32, 457,145.28 and 180,361.92 is: 248,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,264.32 : 457,145.28 = 180,361.92 : x
  2. Step 2: Convert to fraction form
    331,264.32/457,145.28 = 180,361.92/x
  3. Step 3: Cross multiply
    331,264.32x = 457,145.28 × 180,361.92
  4. Step 4: Simplify right side
    331,264.32x = 82,451,600,419.74
  5. Step 5: Solve for x
    x = 82,451,600,419.74/331,264.32
  6. Step 6: Final answer
    x = 248,899.73

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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.