Home / 140,387.86-193,677.22-102,063.38

Finding the Fourth Proportional to 140,387.86, 193,677.22 and 102,063.38

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Solution

The fourth proportional to 140,387.86, 193,677.22 and 102,063.38 is: 140,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,387.86 : 193,677.22 = 102,063.38 : x
  2. Step 2: Convert to fraction form
    140,387.86/193,677.22 = 102,063.38/x
  3. Step 3: Cross multiply
    140,387.86x = 193,677.22 × 102,063.38
  4. Step 4: Simplify right side
    140,387.86x = 19,767,351,702.20
  5. Step 5: Solve for x
    x = 19,767,351,702.20/140,387.86
  6. Step 6: Final answer
    x = 140,805.28

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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.