Home / 185,866.45-278,810.30-52,736.20

Finding the Fourth Proportional to 185,866.45, 278,810.30 and 52,736.20

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Solution

The fourth proportional to 185,866.45, 278,810.30 and 52,736.20 is: 79,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,866.45 : 278,810.30 = 52,736.20 : x
  2. Step 2: Convert to fraction form
    185,866.45/278,810.30 = 52,736.20/x
  3. Step 3: Cross multiply
    185,866.45x = 278,810.30 × 52,736.20
  4. Step 4: Simplify right side
    185,866.45x = 14,703,395,742.86
  5. Step 5: Solve for x
    x = 14,703,395,742.86/185,866.45
  6. Step 6: Final answer
    x = 79,107.31

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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.