Home / 188,165.34-259,665.96-102,124.47

Finding the Fourth Proportional to 188,165.34, 259,665.96 and 102,124.47

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Solution

The fourth proportional to 188,165.34, 259,665.96 and 102,124.47 is: 140,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,165.34 : 259,665.96 = 102,124.47 : x
  2. Step 2: Convert to fraction form
    188,165.34/259,665.96 = 102,124.47/x
  3. Step 3: Cross multiply
    188,165.34x = 259,665.96 × 102,124.47
  4. Step 4: Simplify right side
    188,165.34x = 26,518,249,898.76
  5. Step 5: Solve for x
    x = 26,518,249,898.76/188,165.34
  6. Step 6: Final answer
    x = 140,930.58

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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.