Home / 119,959.12-178,968.76-108,002.44

Finding the Fourth Proportional to 119,959.12, 178,968.76 and 108,002.44

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Solution

The fourth proportional to 119,959.12, 178,968.76 and 108,002.44 is: 161,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,959.12 : 178,968.76 = 108,002.44 : x
  2. Step 2: Convert to fraction form
    119,959.12/178,968.76 = 108,002.44/x
  3. Step 3: Cross multiply
    119,959.12x = 178,968.76 × 108,002.44
  4. Step 4: Simplify right side
    119,959.12x = 19,329,062,763.77
  5. Step 5: Solve for x
    x = 19,329,062,763.77/119,959.12
  6. Step 6: Final answer
    x = 161,130.41

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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.