Home / 242,565.22-363,845.40-172,887.40

Finding the Fourth Proportional to 242,565.22, 363,845.40 and 172,887.40

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Solution

The fourth proportional to 242,565.22, 363,845.40 and 172,887.40 is: 259,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,565.22 : 363,845.40 = 172,887.40 : x
  2. Step 2: Convert to fraction form
    242,565.22/363,845.40 = 172,887.40/x
  3. Step 3: Cross multiply
    242,565.22x = 363,845.40 × 172,887.40
  4. Step 4: Simplify right side
    242,565.22x = 62,904,285,207.96
  5. Step 5: Solve for x
    x = 62,904,285,207.96/242,565.22
  6. Step 6: Final answer
    x = 259,329.37

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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.