Home / 212,256.78-292,912.26-116,763.60

Finding the Fourth Proportional to 212,256.78, 292,912.26 and 116,763.60

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Solution

The fourth proportional to 212,256.78, 292,912.26 and 116,763.60 is: 161,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,256.78 : 292,912.26 = 116,763.60 : x
  2. Step 2: Convert to fraction form
    212,256.78/292,912.26 = 116,763.60/x
  3. Step 3: Cross multiply
    212,256.78x = 292,912.26 × 116,763.60
  4. Step 4: Simplify right side
    212,256.78x = 34,201,489,961.74
  5. Step 5: Solve for x
    x = 34,201,489,961.74/212,256.78
  6. Step 6: Final answer
    x = 161,132.61

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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.