Home / 141,822.12-195,714.51-85,233.49

Finding the Fourth Proportional to 141,822.12, 195,714.51 and 85,233.49

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Solution

The fourth proportional to 141,822.12, 195,714.51 and 85,233.49 is: 117,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,822.12 : 195,714.51 = 85,233.49 : x
  2. Step 2: Convert to fraction form
    141,822.12/195,714.51 = 85,233.49/x
  3. Step 3: Cross multiply
    141,822.12x = 195,714.51 × 85,233.49
  4. Step 4: Simplify right side
    141,822.12x = 16,681,430,730.94
  5. Step 5: Solve for x
    x = 16,681,430,730.94/141,822.12
  6. Step 6: Final answer
    x = 117,622.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.