Home / 374,350.29-561,509.03-108,121.92

Finding the Fourth Proportional to 374,350.29, 561,509.03 and 108,121.92

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Solution

The fourth proportional to 374,350.29, 561,509.03 and 108,121.92 is: 162,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,350.29 : 561,509.03 = 108,121.92 : x
  2. Step 2: Convert to fraction form
    374,350.29/561,509.03 = 108,121.92/x
  3. Step 3: Cross multiply
    374,350.29x = 561,509.03 × 108,121.92
  4. Step 4: Simplify right side
    374,350.29x = 60,711,433,880.33
  5. Step 5: Solve for x
    x = 60,711,433,880.33/374,350.29
  6. Step 6: Final answer
    x = 162,178.14

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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.