Home / 242,159.09-363,234.98-108,945.27

Finding the Fourth Proportional to 242,159.09, 363,234.98 and 108,945.27

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Solution

The fourth proportional to 242,159.09, 363,234.98 and 108,945.27 is: 163,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,159.09 : 363,234.98 = 108,945.27 : x
  2. Step 2: Convert to fraction form
    242,159.09/363,234.98 = 108,945.27/x
  3. Step 3: Cross multiply
    242,159.09x = 363,234.98 × 108,945.27
  4. Step 4: Simplify right side
    242,159.09x = 39,572,733,241.91
  5. Step 5: Solve for x
    x = 39,572,733,241.91/242,159.09
  6. Step 6: Final answer
    x = 163,416.27

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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.