Home / 265,913.42-367,145.46-215,151.39

Finding the Fourth Proportional to 265,913.42, 367,145.46 and 215,151.39

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Solution

The fourth proportional to 265,913.42, 367,145.46 and 215,151.39 is: 297,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,913.42 : 367,145.46 = 215,151.39 : x
  2. Step 2: Convert to fraction form
    265,913.42/367,145.46 = 215,151.39/x
  3. Step 3: Cross multiply
    265,913.42x = 367,145.46 × 215,151.39
  4. Step 4: Simplify right side
    265,913.42x = 78,991,856,051.19
  5. Step 5: Solve for x
    x = 78,991,856,051.19/265,913.42
  6. Step 6: Final answer
    x = 297,058.56

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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.