Home / 131,628.16-197,442.24-61,556.68

Finding the Fourth Proportional to 131,628.16, 197,442.24 and 61,556.68

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Solution

The fourth proportional to 131,628.16, 197,442.24 and 61,556.68 is: 92,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,628.16 : 197,442.24 = 61,556.68 : x
  2. Step 2: Convert to fraction form
    131,628.16/197,442.24 = 61,556.68/x
  3. Step 3: Cross multiply
    131,628.16x = 197,442.24 × 61,556.68
  4. Step 4: Simplify right side
    131,628.16x = 12,153,888,786.16
  5. Step 5: Solve for x
    x = 12,153,888,786.16/131,628.16
  6. Step 6: Final answer
    x = 92,335.02

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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.