Home / 178,317.90-267,329.43-139,049.10

Finding the Fourth Proportional to 178,317.90, 267,329.43 and 139,049.10

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Solution

The fourth proportional to 178,317.90, 267,329.43 and 139,049.10 is: 208,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,317.90 : 267,329.43 = 139,049.10 : x
  2. Step 2: Convert to fraction form
    178,317.90/267,329.43 = 139,049.10/x
  3. Step 3: Cross multiply
    178,317.90x = 267,329.43 × 139,049.10
  4. Step 4: Simplify right side
    178,317.90x = 37,171,916,645.01
  5. Step 5: Solve for x
    x = 37,171,916,645.01/178,317.90
  6. Step 6: Final answer
    x = 208,458.69

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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.