Home / 119,067.16-178,602.12-30,320.56

Finding the Fourth Proportional to 119,067.16, 178,602.12 and 30,320.56

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Solution

The fourth proportional to 119,067.16, 178,602.12 and 30,320.56 is: 45,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,067.16 : 178,602.12 = 30,320.56 : x
  2. Step 2: Convert to fraction form
    119,067.16/178,602.12 = 30,320.56/x
  3. Step 3: Cross multiply
    119,067.16x = 178,602.12 × 30,320.56
  4. Step 4: Simplify right side
    119,067.16x = 5,415,316,295.59
  5. Step 5: Solve for x
    x = 5,415,316,295.59/119,067.16
  6. Step 6: Final answer
    x = 45,481.19

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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.