Home / 276,854.83-382,065.60-154,354.75

Finding the Fourth Proportional to 276,854.83, 382,065.60 and 154,354.75

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Solution

The fourth proportional to 276,854.83, 382,065.60 and 154,354.75 is: 213,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,854.83 : 382,065.60 = 154,354.75 : x
  2. Step 2: Convert to fraction form
    276,854.83/382,065.60 = 154,354.75/x
  3. Step 3: Cross multiply
    276,854.83x = 382,065.60 × 154,354.75
  4. Step 4: Simplify right side
    276,854.83x = 58,973,640,171.60
  5. Step 5: Solve for x
    x = 58,973,640,171.60/276,854.83
  6. Step 6: Final answer
    x = 213,012.86

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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.