Home / 207,924.90-312,033.15-133,226.70

Finding the Fourth Proportional to 207,924.90, 312,033.15 and 133,226.70

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Solution

The fourth proportional to 207,924.90, 312,033.15 and 133,226.70 is: 199,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,924.90 : 312,033.15 = 133,226.70 : x
  2. Step 2: Convert to fraction form
    207,924.90/312,033.15 = 133,226.70/x
  3. Step 3: Cross multiply
    207,924.90x = 312,033.15 × 133,226.70
  4. Step 4: Simplify right side
    207,924.90x = 41,571,146,865.11
  5. Step 5: Solve for x
    x = 41,571,146,865.11/207,924.90
  6. Step 6: Final answer
    x = 199,933.47

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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.