Home / 207,937.10-311,905.65-194,815.10

Finding the Fourth Proportional to 207,937.10, 311,905.65 and 194,815.10

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Solution

The fourth proportional to 207,937.10, 311,905.65 and 194,815.10 is: 292,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,937.10 : 311,905.65 = 194,815.10 : x
  2. Step 2: Convert to fraction form
    207,937.10/311,905.65 = 194,815.10/x
  3. Step 3: Cross multiply
    207,937.10x = 311,905.65 × 194,815.10
  4. Step 4: Simplify right side
    207,937.10x = 60,763,930,395.32
  5. Step 5: Solve for x
    x = 60,763,930,395.32/207,937.10
  6. Step 6: Final answer
    x = 292,222.65

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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.