Home / 185,637.60-278,542.80-96,991.20

Finding the Fourth Proportional to 185,637.60, 278,542.80 and 96,991.20

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Solution

The fourth proportional to 185,637.60, 278,542.80 and 96,991.20 is: 145,531.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,637.60 : 278,542.80 = 96,991.20 : x
  2. Step 2: Convert to fraction form
    185,637.60/278,542.80 = 96,991.20/x
  3. Step 3: Cross multiply
    185,637.60x = 278,542.80 × 96,991.20
  4. Step 4: Simplify right side
    185,637.60x = 27,016,200,423.36
  5. Step 5: Solve for x
    x = 27,016,200,423.36/185,637.60
  6. Step 6: Final answer
    x = 145,531.94

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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.