Home / 117,325.30-162,002.13-108,369.58

Finding the Fourth Proportional to 117,325.30, 162,002.13 and 108,369.58

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Solution

The fourth proportional to 117,325.30, 162,002.13 and 108,369.58 is: 149,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.30 : 162,002.13 = 108,369.58 : x
  2. Step 2: Convert to fraction form
    117,325.30/162,002.13 = 108,369.58/x
  3. Step 3: Cross multiply
    117,325.30x = 162,002.13 × 108,369.58
  4. Step 4: Simplify right side
    117,325.30x = 17,556,102,787.21
  5. Step 5: Solve for x
    x = 17,556,102,787.21/117,325.30
  6. Step 6: Final answer
    x = 149,636.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.