Home / 213,837.60-295,127.10-123,175.92

Finding the Fourth Proportional to 213,837.60, 295,127.10 and 123,175.92

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Solution

The fourth proportional to 213,837.60, 295,127.10 and 123,175.92 is: 170,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,837.60 : 295,127.10 = 123,175.92 : x
  2. Step 2: Convert to fraction form
    213,837.60/295,127.10 = 123,175.92/x
  3. Step 3: Cross multiply
    213,837.60x = 295,127.10 × 123,175.92
  4. Step 4: Simplify right side
    213,837.60x = 36,352,552,059.43
  5. Step 5: Solve for x
    x = 36,352,552,059.43/213,837.60
  6. Step 6: Final answer
    x = 170,000.75

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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.