Home / 119,634.83-178,791.27-112,721.18

Finding the Fourth Proportional to 119,634.83, 178,791.27 and 112,721.18

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Solution

The fourth proportional to 119,634.83, 178,791.27 and 112,721.18 is: 168,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,634.83 : 178,791.27 = 112,721.18 : x
  2. Step 2: Convert to fraction form
    119,634.83/178,791.27 = 112,721.18/x
  3. Step 3: Cross multiply
    119,634.83x = 178,791.27 × 112,721.18
  4. Step 4: Simplify right side
    119,634.83x = 20,153,562,034.14
  5. Step 5: Solve for x
    x = 20,153,562,034.14/119,634.83
  6. Step 6: Final answer
    x = 168,458.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.