Home / 367,861.10-507,663.34-206,715.66

Finding the Fourth Proportional to 367,861.10, 507,663.34 and 206,715.66

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Solution

The fourth proportional to 367,861.10, 507,663.34 and 206,715.66 is: 285,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,861.10 : 507,663.34 = 206,715.66 : x
  2. Step 2: Convert to fraction form
    367,861.10/507,663.34 = 206,715.66/x
  3. Step 3: Cross multiply
    367,861.10x = 507,663.34 × 206,715.66
  4. Step 4: Simplify right side
    367,861.10x = 104,941,962,385.90
  5. Step 5: Solve for x
    x = 104,941,962,385.90/367,861.10
  6. Step 6: Final answer
    x = 285,276.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.