Home / 291,986.35-402,942.15-162,922.48

Finding the Fourth Proportional to 291,986.35, 402,942.15 and 162,922.48

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Solution

The fourth proportional to 291,986.35, 402,942.15 and 162,922.48 is: 224,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,986.35 : 402,942.15 = 162,922.48 : x
  2. Step 2: Convert to fraction form
    291,986.35/402,942.15 = 162,922.48/x
  3. Step 3: Cross multiply
    291,986.35x = 402,942.15 × 162,922.48
  4. Step 4: Simplify right side
    291,986.35x = 65,648,332,359.82
  5. Step 5: Solve for x
    x = 65,648,332,359.82/291,986.35
  6. Step 6: Final answer
    x = 224,833.57

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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.