Home / 242,159.08-363,161.43-80,022.93

Finding the Fourth Proportional to 242,159.08, 363,161.43 and 80,022.93

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Solution

The fourth proportional to 242,159.08, 363,161.43 and 80,022.93 is: 120,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,159.08 : 363,161.43 = 80,022.93 : x
  2. Step 2: Convert to fraction form
    242,159.08/363,161.43 = 80,022.93/x
  3. Step 3: Cross multiply
    242,159.08x = 363,161.43 × 80,022.93
  4. Step 4: Simplify right side
    242,159.08x = 29,061,241,024.37
  5. Step 5: Solve for x
    x = 29,061,241,024.37/242,159.08
  6. Step 6: Final answer
    x = 120,008.89

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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.