Home / 395,349.39-593,060.51-129,111.30

Finding the Fourth Proportional to 395,349.39, 593,060.51 and 129,111.30

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Solution

The fourth proportional to 395,349.39, 593,060.51 and 129,111.30 is: 193,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,349.39 : 593,060.51 = 129,111.30 : x
  2. Step 2: Convert to fraction form
    395,349.39/593,060.51 = 129,111.30/x
  3. Step 3: Cross multiply
    395,349.39x = 593,060.51 × 129,111.30
  4. Step 4: Simplify right side
    395,349.39x = 76,570,813,747.54
  5. Step 5: Solve for x
    x = 76,570,813,747.54/395,349.39
  6. Step 6: Final answer
    x = 193,678.85

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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.