Home / 374,370.12-561,472.70-108,072.76

Finding the Fourth Proportional to 374,370.12, 561,472.70 and 108,072.76

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Solution

The fourth proportional to 374,370.12, 561,472.70 and 108,072.76 is: 162,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,370.12 : 561,472.70 = 108,072.76 : x
  2. Step 2: Convert to fraction form
    374,370.12/561,472.70 = 108,072.76/x
  3. Step 3: Cross multiply
    374,370.12x = 561,472.70 × 108,072.76
  4. Step 4: Simplify right side
    374,370.12x = 60,679,904,353.65
  5. Step 5: Solve for x
    x = 60,679,904,353.65/374,370.12
  6. Step 6: Final answer
    x = 162,085.33

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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.