Home / 374,453.72-561,769.64-121,735.32

Finding the Fourth Proportional to 374,453.72, 561,769.64 and 121,735.32

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Solution

The fourth proportional to 374,453.72, 561,769.64 and 121,735.32 is: 182,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,453.72 : 561,769.64 = 121,735.32 : x
  2. Step 2: Convert to fraction form
    374,453.72/561,769.64 = 121,735.32/x
  3. Step 3: Cross multiply
    374,453.72x = 561,769.64 × 121,735.32
  4. Step 4: Simplify right side
    374,453.72x = 68,387,206,891.68
  5. Step 5: Solve for x
    x = 68,387,206,891.68/374,453.72
  6. Step 6: Final answer
    x = 182,631.93

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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.