Home / 207,234.70-311,312.85-199,401.10

Finding the Fourth Proportional to 207,234.70, 311,312.85 and 199,401.10

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Solution

The fourth proportional to 207,234.70, 311,312.85 and 199,401.10 is: 299,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,234.70 : 311,312.85 = 199,401.10 : x
  2. Step 2: Convert to fraction form
    207,234.70/311,312.85 = 199,401.10/x
  3. Step 3: Cross multiply
    207,234.70x = 311,312.85 × 199,401.10
  4. Step 4: Simplify right side
    207,234.70x = 62,076,124,734.14
  5. Step 5: Solve for x
    x = 62,076,124,734.14/207,234.70
  6. Step 6: Final answer
    x = 299,545.03

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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.