Home / 291,921.60-402,851.16-164,596.44

Finding the Fourth Proportional to 291,921.60, 402,851.16 and 164,596.44

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Solution

The fourth proportional to 291,921.60, 402,851.16 and 164,596.44 is: 227,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,921.60 : 402,851.16 = 164,596.44 : x
  2. Step 2: Convert to fraction form
    291,921.60/402,851.16 = 164,596.44/x
  3. Step 3: Cross multiply
    291,921.60x = 402,851.16 × 164,596.44
  4. Step 4: Simplify right side
    291,921.60x = 66,307,866,785.87
  5. Step 5: Solve for x
    x = 66,307,866,785.87/291,921.60
  6. Step 6: Final answer
    x = 227,142.72

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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.