Home / 355,152.45-532,725.03-205,297.38

Finding the Fourth Proportional to 355,152.45, 532,725.03 and 205,297.38

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Solution

The fourth proportional to 355,152.45, 532,725.03 and 205,297.38 is: 307,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,152.45 : 532,725.03 = 205,297.38 : x
  2. Step 2: Convert to fraction form
    355,152.45/532,725.03 = 205,297.38/x
  3. Step 3: Cross multiply
    355,152.45x = 532,725.03 × 205,297.38
  4. Step 4: Simplify right side
    355,152.45x = 109,367,052,919.42
  5. Step 5: Solve for x
    x = 109,367,052,919.42/355,152.45
  6. Step 6: Final answer
    x = 307,943.96

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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.