Home / 212,188.42-292,768.62-134,635.85

Finding the Fourth Proportional to 212,188.42, 292,768.62 and 134,635.85

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Solution

The fourth proportional to 212,188.42, 292,768.62 and 134,635.85 is: 185,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,188.42 : 292,768.62 = 134,635.85 : x
  2. Step 2: Convert to fraction form
    212,188.42/292,768.62 = 134,635.85/x
  3. Step 3: Cross multiply
    212,188.42x = 292,768.62 × 134,635.85
  4. Step 4: Simplify right side
    212,188.42x = 39,417,152,007.03
  5. Step 5: Solve for x
    x = 39,417,152,007.03/212,188.42
  6. Step 6: Final answer
    x = 185,764.86

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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.