Home / 213,377.16-320,176.26-95,133.72

Finding the Fourth Proportional to 213,377.16, 320,176.26 and 95,133.72

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Solution

The fourth proportional to 213,377.16, 320,176.26 and 95,133.72 is: 142,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,377.16 : 320,176.26 = 95,133.72 : x
  2. Step 2: Convert to fraction form
    213,377.16/320,176.26 = 95,133.72/x
  3. Step 3: Cross multiply
    213,377.16x = 320,176.26 × 95,133.72
  4. Step 4: Simplify right side
    213,377.16x = 30,459,558,669.49
  5. Step 5: Solve for x
    x = 30,459,558,669.49/213,377.16
  6. Step 6: Final answer
    x = 142,749.86

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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.