Home / 181,899.22-272,885.82-76,718.56

Finding the Fourth Proportional to 181,899.22, 272,885.82 and 76,718.56

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Solution

The fourth proportional to 181,899.22, 272,885.82 and 76,718.56 is: 115,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,899.22 : 272,885.82 = 76,718.56 : x
  2. Step 2: Convert to fraction form
    181,899.22/272,885.82 = 76,718.56/x
  3. Step 3: Cross multiply
    181,899.22x = 272,885.82 × 76,718.56
  4. Step 4: Simplify right side
    181,899.22x = 20,935,407,154.82
  5. Step 5: Solve for x
    x = 20,935,407,154.82/181,899.22
  6. Step 6: Final answer
    x = 115,093.44

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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.