Home / 141,868.64-212,175.52-126,183.72

Finding the Fourth Proportional to 141,868.64, 212,175.52 and 126,183.72

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Solution

The fourth proportional to 141,868.64, 212,175.52 and 126,183.72 is: 188,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,868.64 : 212,175.52 = 126,183.72 : x
  2. Step 2: Convert to fraction form
    141,868.64/212,175.52 = 126,183.72/x
  3. Step 3: Cross multiply
    141,868.64x = 212,175.52 × 126,183.72
  4. Step 4: Simplify right side
    141,868.64x = 26,773,096,406.53
  5. Step 5: Solve for x
    x = 26,773,096,406.53/141,868.64
  6. Step 6: Final answer
    x = 188,717.51

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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.