Home / 185,287.77-255,603.20-117,190.06

Finding the Fourth Proportional to 185,287.77, 255,603.20 and 117,190.06

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Solution

The fourth proportional to 185,287.77, 255,603.20 and 117,190.06 is: 161,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,287.77 : 255,603.20 = 117,190.06 : x
  2. Step 2: Convert to fraction form
    185,287.77/255,603.20 = 117,190.06/x
  3. Step 3: Cross multiply
    185,287.77x = 255,603.20 × 117,190.06
  4. Step 4: Simplify right side
    185,287.77x = 29,954,153,119.23
  5. Step 5: Solve for x
    x = 29,954,153,119.23/185,287.77
  6. Step 6: Final answer
    x = 161,662.87

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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.