Home / 141,872.30-212,808.45-119,062.70

Finding the Fourth Proportional to 141,872.30, 212,808.45 and 119,062.70

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Solution

The fourth proportional to 141,872.30, 212,808.45 and 119,062.70 is: 178,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,872.30 : 212,808.45 = 119,062.70 : x
  2. Step 2: Convert to fraction form
    141,872.30/212,808.45 = 119,062.70/x
  3. Step 3: Cross multiply
    141,872.30x = 212,808.45 × 119,062.70
  4. Step 4: Simplify right side
    141,872.30x = 25,337,548,639.82
  5. Step 5: Solve for x
    x = 25,337,548,639.82/141,872.30
  6. Step 6: Final answer
    x = 178,594.05

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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.