Home / 374,588.88-561,766.20-125,212.56

Finding the Fourth Proportional to 374,588.88, 561,766.20 and 125,212.56

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Solution

The fourth proportional to 374,588.88, 561,766.20 and 125,212.56 is: 187,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,588.88 : 561,766.20 = 125,212.56 : x
  2. Step 2: Convert to fraction form
    374,588.88/561,766.20 = 125,212.56/x
  3. Step 3: Cross multiply
    374,588.88x = 561,766.20 × 125,212.56
  4. Step 4: Simplify right side
    374,588.88x = 70,340,184,023.47
  5. Step 5: Solve for x
    x = 70,340,184,023.47/374,588.88
  6. Step 6: Final answer
    x = 187,779.69

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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.