Home / 320,584.92-442,423.34-193,301.56

Finding the Fourth Proportional to 320,584.92, 442,423.34 and 193,301.56

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Solution

The fourth proportional to 320,584.92, 442,423.34 and 193,301.56 is: 266,765.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,584.92 : 442,423.34 = 193,301.56 : x
  2. Step 2: Convert to fraction form
    320,584.92/442,423.34 = 193,301.56/x
  3. Step 3: Cross multiply
    320,584.92x = 442,423.34 × 193,301.56
  4. Step 4: Simplify right side
    320,584.92x = 85,521,121,802.41
  5. Step 5: Solve for x
    x = 85,521,121,802.41/320,584.92
  6. Step 6: Final answer
    x = 266,765.89

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1.5x scale

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.