Home / 212,287.78-292,954.98-116,794.54

Finding the Fourth Proportional to 212,287.78, 292,954.98 and 116,794.54

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Solution

The fourth proportional to 212,287.78, 292,954.98 and 116,794.54 is: 161,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,287.78 : 292,954.98 = 116,794.54 : x
  2. Step 2: Convert to fraction form
    212,287.78/292,954.98 = 116,794.54/x
  3. Step 3: Cross multiply
    212,287.78x = 292,954.98 × 116,794.54
  4. Step 4: Simplify right side
    212,287.78x = 34,215,542,129.81
  5. Step 5: Solve for x
    x = 34,215,542,129.81/212,287.78
  6. Step 6: Final answer
    x = 161,175.28

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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.