Home / 212,223.19-292,861.83-116,729.86

Finding the Fourth Proportional to 212,223.19, 292,861.83 and 116,729.86

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Solution

The fourth proportional to 212,223.19, 292,861.83 and 116,729.86 is: 161,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,223.19 : 292,861.83 = 116,729.86 : x
  2. Step 2: Convert to fraction form
    212,223.19/292,861.83 = 116,729.86/x
  3. Step 3: Cross multiply
    212,223.19x = 292,861.83 × 116,729.86
  4. Step 4: Simplify right side
    212,223.19x = 34,185,721,439.22
  5. Step 5: Solve for x
    x = 34,185,721,439.22/212,223.19
  6. Step 6: Final answer
    x = 161,083.81

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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.