Home / 261,930.30-361,464.27-148,753.02

Finding the Fourth Proportional to 261,930.30, 361,464.27 and 148,753.02

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Solution

The fourth proportional to 261,930.30, 361,464.27 and 148,753.02 is: 205,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,930.30 : 361,464.27 = 148,753.02 : x
  2. Step 2: Convert to fraction form
    261,930.30/361,464.27 = 148,753.02/x
  3. Step 3: Cross multiply
    261,930.30x = 361,464.27 × 148,753.02
  4. Step 4: Simplify right side
    261,930.30x = 53,768,901,784.60
  5. Step 5: Solve for x
    x = 53,768,901,784.60/261,930.30
  6. Step 6: Final answer
    x = 205,279.43

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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.