Home / 185,638.60-278,544.30-96,992.20

Finding the Fourth Proportional to 185,638.60, 278,544.30 and 96,992.20

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Solution

The fourth proportional to 185,638.60, 278,544.30 and 96,992.20 is: 145,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,638.60 : 278,544.30 = 96,992.20 : x
  2. Step 2: Convert to fraction form
    185,638.60/278,544.30 = 96,992.20/x
  3. Step 3: Cross multiply
    185,638.60x = 278,544.30 × 96,992.20
  4. Step 4: Simplify right side
    185,638.60x = 27,016,624,454.46
  5. Step 5: Solve for x
    x = 27,016,624,454.46/185,638.60
  6. Step 6: Final answer
    x = 145,533.44

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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.