Home / 181,661.30-272,214.35-76,422.58

Finding the Fourth Proportional to 181,661.30, 272,214.35 and 76,422.58

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Solution

The fourth proportional to 181,661.30, 272,214.35 and 76,422.58 is: 114,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,661.30 : 272,214.35 = 76,422.58 : x
  2. Step 2: Convert to fraction form
    181,661.30/272,214.35 = 76,422.58/x
  3. Step 3: Cross multiply
    181,661.30x = 272,214.35 × 76,422.58
  4. Step 4: Simplify right side
    181,661.30x = 20,803,322,940.02
  5. Step 5: Solve for x
    x = 20,803,322,940.02/181,661.30
  6. Step 6: Final answer
    x = 114,517.09

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1.5x scale

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.