Home / 374,048.10-561,317.67-137,392.74

Finding the Fourth Proportional to 374,048.10, 561,317.67 and 137,392.74

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Solution

The fourth proportional to 374,048.10, 561,317.67 and 137,392.74 is: 206,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,048.10 : 561,317.67 = 137,392.74 : x
  2. Step 2: Convert to fraction form
    374,048.10/561,317.67 = 137,392.74/x
  3. Step 3: Cross multiply
    374,048.10x = 561,317.67 × 137,392.74
  4. Step 4: Simplify right side
    374,048.10x = 77,120,972,691.72
  5. Step 5: Solve for x
    x = 77,120,972,691.72/374,048.10
  6. Step 6: Final answer
    x = 206,179.29

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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.