Home / 415,743.18-573,742.35-231,997.83

Finding the Fourth Proportional to 415,743.18, 573,742.35 and 231,997.83

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Solution

The fourth proportional to 415,743.18, 573,742.35 and 231,997.83 is: 320,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,743.18 : 573,742.35 = 231,997.83 : x
  2. Step 2: Convert to fraction form
    415,743.18/573,742.35 = 231,997.83/x
  3. Step 3: Cross multiply
    415,743.18x = 573,742.35 × 231,997.83
  4. Step 4: Simplify right side
    415,743.18x = 133,106,980,179.10
  5. Step 5: Solve for x
    x = 133,106,980,179.10/415,743.18
  6. Step 6: Final answer
    x = 320,166.36

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1.5x scale

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.