Home / 185,865.45-278,808.80-52,735.20

Finding the Fourth Proportional to 185,865.45, 278,808.80 and 52,735.20

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Solution

The fourth proportional to 185,865.45, 278,808.80 and 52,735.20 is: 79,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,865.45 : 278,808.80 = 52,735.20 : x
  2. Step 2: Convert to fraction form
    185,865.45/278,808.80 = 52,735.20/x
  3. Step 3: Cross multiply
    185,865.45x = 278,808.80 × 52,735.20
  4. Step 4: Simplify right side
    185,865.45x = 14,703,037,566.08
  5. Step 5: Solve for x
    x = 14,703,037,566.08/185,865.45
  6. Step 6: Final answer
    x = 79,105.81

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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.