Home / 201,825.44-278,498.18-124,288.76

Finding the Fourth Proportional to 201,825.44, 278,498.18 and 124,288.76

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Solution

The fourth proportional to 201,825.44, 278,498.18 and 124,288.76 is: 171,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,825.44 : 278,498.18 = 124,288.76 : x
  2. Step 2: Convert to fraction form
    201,825.44/278,498.18 = 124,288.76/x
  3. Step 3: Cross multiply
    201,825.44x = 278,498.18 × 124,288.76
  4. Step 4: Simplify right side
    201,825.44x = 34,614,194,461.42
  5. Step 5: Solve for x
    x = 34,614,194,461.42/201,825.44
  6. Step 6: Final answer
    x = 171,505.61

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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.