Home / 247,703.05-371,481.67-70,225.57

Finding the Fourth Proportional to 247,703.05, 371,481.67 and 70,225.57

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Solution

The fourth proportional to 247,703.05, 371,481.67 and 70,225.57 is: 105,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,703.05 : 371,481.67 = 70,225.57 : x
  2. Step 2: Convert to fraction form
    247,703.05/371,481.67 = 70,225.57/x
  3. Step 3: Cross multiply
    247,703.05x = 371,481.67 × 70,225.57
  4. Step 4: Simplify right side
    247,703.05x = 26,087,512,020.30
  5. Step 5: Solve for x
    x = 26,087,512,020.30/247,703.05
  6. Step 6: Final answer
    x = 105,317.69

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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.