Home / 242,021.15-363,054.48-71,242.97

Finding the Fourth Proportional to 242,021.15, 363,054.48 and 71,242.97

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Solution

The fourth proportional to 242,021.15, 363,054.48 and 71,242.97 is: 106,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,021.15 : 363,054.48 = 71,242.97 : x
  2. Step 2: Convert to fraction form
    242,021.15/363,054.48 = 71,242.97/x
  3. Step 3: Cross multiply
    242,021.15x = 363,054.48 × 71,242.97
  4. Step 4: Simplify right side
    242,021.15x = 25,865,080,334.64
  5. Step 5: Solve for x
    x = 25,865,080,334.64/242,021.15
  6. Step 6: Final answer
    x = 106,871.16

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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.