Home / 118,228.64-177,243.16-55,016.08

Finding the Fourth Proportional to 118,228.64, 177,243.16 and 55,016.08

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Solution

The fourth proportional to 118,228.64, 177,243.16 and 55,016.08 is: 82,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,228.64 : 177,243.16 = 55,016.08 : x
  2. Step 2: Convert to fraction form
    118,228.64/177,243.16 = 55,016.08/x
  3. Step 3: Cross multiply
    118,228.64x = 177,243.16 × 55,016.08
  4. Step 4: Simplify right side
    118,228.64x = 9,751,223,870.01
  5. Step 5: Solve for x
    x = 9,751,223,870.01/118,228.64
  6. Step 6: Final answer
    x = 82,477.68

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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.