Home / 185,475.02-278,118.97-132,136.52

Finding the Fourth Proportional to 185,475.02, 278,118.97 and 132,136.52

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Solution

The fourth proportional to 185,475.02, 278,118.97 and 132,136.52 is: 198,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,475.02 : 278,118.97 = 132,136.52 : x
  2. Step 2: Convert to fraction form
    185,475.02/278,118.97 = 132,136.52/x
  3. Step 3: Cross multiply
    185,475.02x = 278,118.97 × 132,136.52
  4. Step 4: Simplify right side
    185,475.02x = 36,749,671,120.85
  5. Step 5: Solve for x
    x = 36,749,671,120.85/185,475.02
  6. Step 6: Final answer
    x = 198,138.12

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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.