Home / 267,020.26-368,455.38-212,710.74

Finding the Fourth Proportional to 267,020.26, 368,455.38 and 212,710.74

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Solution

The fourth proportional to 267,020.26, 368,455.38 and 212,710.74 is: 293,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,020.26 : 368,455.38 = 212,710.74 : x
  2. Step 2: Convert to fraction form
    267,020.26/368,455.38 = 212,710.74/x
  3. Step 3: Cross multiply
    267,020.26x = 368,455.38 × 212,710.74
  4. Step 4: Simplify right side
    267,020.26x = 78,374,417,626.47
  5. Step 5: Solve for x
    x = 78,374,417,626.47/267,020.26
  6. Step 6: Final answer
    x = 293,514.87

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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.