Home / 374,190.24-561,103.44-124,788

Finding the Fourth Proportional to 374,190.24, 561,103.44 and 124,788

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Solution

The fourth proportional to 374,190.24, 561,103.44 and 124,788 is: 187,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,190.24 : 561,103.44 = 124,788 : x
  2. Step 2: Convert to fraction form
    374,190.24/561,103.44 = 124,788/x
  3. Step 3: Cross multiply
    374,190.24x = 561,103.44 × 124,788
  4. Step 4: Simplify right side
    374,190.24x = 70,018,976,070.72
  5. Step 5: Solve for x
    x = 70,018,976,070.72/374,190.24
  6. Step 6: Final answer
    x = 187,121.33

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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.