Home / 188,518.62-260,160.66-102,483.38

Finding the Fourth Proportional to 188,518.62, 260,160.66 and 102,483.38

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Solution

The fourth proportional to 188,518.62, 260,160.66 and 102,483.38 is: 141,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,518.62 : 260,160.66 = 102,483.38 : x
  2. Step 2: Convert to fraction form
    188,518.62/260,160.66 = 102,483.38/x
  3. Step 3: Cross multiply
    188,518.62x = 260,160.66 × 102,483.38
  4. Step 4: Simplify right side
    188,518.62x = 26,662,143,779.83
  5. Step 5: Solve for x
    x = 26,662,143,779.83/188,518.62
  6. Step 6: Final answer
    x = 141,429.76

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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.