Home / 219,742.78-303,243.38-124,252.88

Finding the Fourth Proportional to 219,742.78, 303,243.38 and 124,252.88

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Solution

The fourth proportional to 219,742.78, 303,243.38 and 124,252.88 is: 171,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,742.78 : 303,243.38 = 124,252.88 : x
  2. Step 2: Convert to fraction form
    219,742.78/303,243.38 = 124,252.88/x
  3. Step 3: Cross multiply
    219,742.78x = 303,243.38 × 124,252.88
  4. Step 4: Simplify right side
    219,742.78x = 37,678,863,305.93
  5. Step 5: Solve for x
    x = 37,678,863,305.93/219,742.78
  6. Step 6: Final answer
    x = 171,468.04

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1.5x scale

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.