Home / 185,429.10-278,152.80-96,855.60

Finding the Fourth Proportional to 185,429.10, 278,152.80 and 96,855.60

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Solution

The fourth proportional to 185,429.10, 278,152.80 and 96,855.60 is: 145,288.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.10 : 278,152.80 = 96,855.60 : x
  2. Step 2: Convert to fraction form
    185,429.10/278,152.80 = 96,855.60/x
  3. Step 3: Cross multiply
    185,429.10x = 278,152.80 × 96,855.60
  4. Step 4: Simplify right side
    185,429.10x = 26,940,656,335.68
  5. Step 5: Solve for x
    x = 26,940,656,335.68/185,429.10
  6. Step 6: Final answer
    x = 145,288.18

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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.