Home / 313,299.72-469,528.62-170,931.66

Finding the Fourth Proportional to 313,299.72, 469,528.62 and 170,931.66

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Solution

The fourth proportional to 313,299.72, 469,528.62 and 170,931.66 is: 256,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,299.72 : 469,528.62 = 170,931.66 : x
  2. Step 2: Convert to fraction form
    313,299.72/469,528.62 = 170,931.66/x
  3. Step 3: Cross multiply
    313,299.72x = 469,528.62 × 170,931.66
  4. Step 4: Simplify right side
    313,299.72x = 80,257,306,299.96
  5. Step 5: Solve for x
    x = 80,257,306,299.96/313,299.72
  6. Step 6: Final answer
    x = 256,167.82

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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.