Home / 374,110.16-561,388.80-137,476.76

Finding the Fourth Proportional to 374,110.16, 561,388.80 and 137,476.76

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Solution

The fourth proportional to 374,110.16, 561,388.80 and 137,476.76 is: 206,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,110.16 : 561,388.80 = 137,476.76 : x
  2. Step 2: Convert to fraction form
    374,110.16/561,388.80 = 137,476.76/x
  3. Step 3: Cross multiply
    374,110.16x = 561,388.80 × 137,476.76
  4. Step 4: Simplify right side
    374,110.16x = 77,177,913,324.29
  5. Step 5: Solve for x
    x = 77,177,913,324.29/374,110.16
  6. Step 6: Final answer
    x = 206,297.29

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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.