Home / 204,820.80-307,231.20-176,280.45

Finding the Fourth Proportional to 204,820.80, 307,231.20 and 176,280.45

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Solution

The fourth proportional to 204,820.80, 307,231.20 and 176,280.45 is: 264,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,820.80 : 307,231.20 = 176,280.45 : x
  2. Step 2: Convert to fraction form
    204,820.80/307,231.20 = 176,280.45/x
  3. Step 3: Cross multiply
    204,820.80x = 307,231.20 × 176,280.45
  4. Step 4: Simplify right side
    204,820.80x = 54,158,854,190.04
  5. Step 5: Solve for x
    x = 54,158,854,190.04/204,820.80
  6. Step 6: Final answer
    x = 264,420.68

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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.