Home / 185,650.02-278,430.44-85,714.20

Finding the Fourth Proportional to 185,650.02, 278,430.44 and 85,714.20

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Solution

The fourth proportional to 185,650.02, 278,430.44 and 85,714.20 is: 128,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,650.02 : 278,430.44 = 85,714.20 : x
  2. Step 2: Convert to fraction form
    185,650.02/278,430.44 = 85,714.20/x
  3. Step 3: Cross multiply
    185,650.02x = 278,430.44 × 85,714.20
  4. Step 4: Simplify right side
    185,650.02x = 23,865,441,991.68
  5. Step 5: Solve for x
    x = 23,865,441,991.68/185,650.02
  6. Step 6: Final answer
    x = 128,550.71

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1.5x scale

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.