Home / 185,531.41-278,110.16-73,168.21

Finding the Fourth Proportional to 185,531.41, 278,110.16 and 73,168.21

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Solution

The fourth proportional to 185,531.41, 278,110.16 and 73,168.21 is: 109,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,531.41 : 278,110.16 = 73,168.21 : x
  2. Step 2: Convert to fraction form
    185,531.41/278,110.16 = 73,168.21/x
  3. Step 3: Cross multiply
    185,531.41x = 278,110.16 × 73,168.21
  4. Step 4: Simplify right side
    185,531.41x = 20,348,822,846.19
  5. Step 5: Solve for x
    x = 20,348,822,846.19/185,531.41
  6. Step 6: Final answer
    x = 109,678.59

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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.