Home / 117,918.60-176,738.58-116,603.16

Finding the Fourth Proportional to 117,918.60, 176,738.58 and 116,603.16

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Solution

The fourth proportional to 117,918.60, 176,738.58 and 116,603.16 is: 174,766.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918.60 : 176,738.58 = 116,603.16 : x
  2. Step 2: Convert to fraction form
    117,918.60/176,738.58 = 116,603.16/x
  3. Step 3: Cross multiply
    117,918.60x = 176,738.58 × 116,603.16
  4. Step 4: Simplify right side
    117,918.60x = 20,608,276,921.91
  5. Step 5: Solve for x
    x = 20,608,276,921.91/117,918.60
  6. Step 6: Final answer
    x = 174,766.97

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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.