Home / 374,297.36-561,474.60-124,979.36

Finding the Fourth Proportional to 374,297.36, 561,474.60 and 124,979.36

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Solution

The fourth proportional to 374,297.36, 561,474.60 and 124,979.36 is: 187,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,297.36 : 561,474.60 = 124,979.36 : x
  2. Step 2: Convert to fraction form
    374,297.36/561,474.60 = 124,979.36/x
  3. Step 3: Cross multiply
    374,297.36x = 561,474.60 × 124,979.36
  4. Step 4: Simplify right side
    374,297.36x = 70,172,736,164.26
  5. Step 5: Solve for x
    x = 70,172,736,164.26/374,297.36
  6. Step 6: Final answer
    x = 187,478.58

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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.