Home / 117,845.60-176,768.40-104,943.20

Finding the Fourth Proportional to 117,845.60, 176,768.40 and 104,943.20

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Solution

The fourth proportional to 117,845.60, 176,768.40 and 104,943.20 is: 157,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,845.60 : 176,768.40 = 104,943.20 : x
  2. Step 2: Convert to fraction form
    117,845.60/176,768.40 = 104,943.20/x
  3. Step 3: Cross multiply
    117,845.60x = 176,768.40 × 104,943.20
  4. Step 4: Simplify right side
    117,845.60x = 18,550,641,554.88
  5. Step 5: Solve for x
    x = 18,550,641,554.88/117,845.60
  6. Step 6: Final answer
    x = 157,414.80

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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.