Home / 209,502.10-313,372.41-176,606.88

Finding the Fourth Proportional to 209,502.10, 313,372.41 and 176,606.88

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Solution

The fourth proportional to 209,502.10, 313,372.41 and 176,606.88 is: 264,167.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,502.10 : 313,372.41 = 176,606.88 : x
  2. Step 2: Convert to fraction form
    209,502.10/313,372.41 = 176,606.88/x
  3. Step 3: Cross multiply
    209,502.10x = 313,372.41 × 176,606.88
  4. Step 4: Simplify right side
    209,502.10x = 55,343,723,608.18
  5. Step 5: Solve for x
    x = 55,343,723,608.18/209,502.10
  6. Step 6: Final answer
    x = 264,167.87

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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.