Home / 212,247.76-292,902.60-116,761.72

Finding the Fourth Proportional to 212,247.76, 292,902.60 and 116,761.72

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Solution

The fourth proportional to 212,247.76, 292,902.60 and 116,761.72 is: 161,131.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,247.76 : 292,902.60 = 116,761.72 : x
  2. Step 2: Convert to fraction form
    212,247.76/292,902.60 = 116,761.72/x
  3. Step 3: Cross multiply
    212,247.76x = 292,902.60 × 116,761.72
  4. Step 4: Simplify right side
    212,247.76x = 34,199,811,368.47
  5. Step 5: Solve for x
    x = 34,199,811,368.47/212,247.76
  6. Step 6: Final answer
    x = 161,131.55

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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.