Home / 374,129.80-561,277.62-107,869.54

Finding the Fourth Proportional to 374,129.80, 561,277.62 and 107,869.54

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Solution

The fourth proportional to 374,129.80, 561,277.62 and 107,869.54 is: 161,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,129.80 : 561,277.62 = 107,869.54 : x
  2. Step 2: Convert to fraction form
    374,129.80/561,277.62 = 107,869.54/x
  3. Step 3: Cross multiply
    374,129.80x = 561,277.62 × 107,869.54
  4. Step 4: Simplify right side
    374,129.80x = 60,544,758,681.69
  5. Step 5: Solve for x
    x = 60,544,758,681.69/374,129.80
  6. Step 6: Final answer
    x = 161,828.22

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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.