Home / 385,536.43-531,976.80-242,194.96

Finding the Fourth Proportional to 385,536.43, 531,976.80 and 242,194.96

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Solution

The fourth proportional to 385,536.43, 531,976.80 and 242,194.96 is: 334,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,536.43 : 531,976.80 = 242,194.96 : x
  2. Step 2: Convert to fraction form
    385,536.43/531,976.80 = 242,194.96/x
  3. Step 3: Cross multiply
    385,536.43x = 531,976.80 × 242,194.96
  4. Step 4: Simplify right side
    385,536.43x = 128,842,099,796.93
  5. Step 5: Solve for x
    x = 128,842,099,796.93/385,536.43
  6. Step 6: Final answer
    x = 334,189.17

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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.