Home / 119,026.11-178,538.36-30,278.82

Finding the Fourth Proportional to 119,026.11, 178,538.36 and 30,278.82

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Solution

The fourth proportional to 119,026.11, 178,538.36 and 30,278.82 is: 45,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,026.11 : 178,538.36 = 30,278.82 : x
  2. Step 2: Convert to fraction form
    119,026.11/178,538.36 = 30,278.82/x
  3. Step 3: Cross multiply
    119,026.11x = 178,538.36 × 30,278.82
  4. Step 4: Simplify right side
    119,026.11x = 5,405,930,714.14
  5. Step 5: Solve for x
    x = 5,405,930,714.14/119,026.11
  6. Step 6: Final answer
    x = 45,418.02

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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.