Home / 117,845.40-176,768.10-100,932.60

Finding the Fourth Proportional to 117,845.40, 176,768.10 and 100,932.60

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Solution

The fourth proportional to 117,845.40, 176,768.10 and 100,932.60 is: 151,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845.40 : 176,768.10 = 100,932.60 : x
  2. Step 2: Convert to fraction form
    117,845.40/176,768.10 = 100,932.60/x
  3. Step 3: Cross multiply
    117,845.40x = 176,768.10 × 100,932.60
  4. Step 4: Simplify right side
    117,845.40x = 17,841,663,930.06
  5. Step 5: Solve for x
    x = 17,841,663,930.06/117,845.40
  6. Step 6: Final answer
    x = 151,398.90

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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.