Home / 370,379.10-511,160.78-267,098.23

Finding the Fourth Proportional to 370,379.10, 511,160.78 and 267,098.23

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Solution

The fourth proportional to 370,379.10, 511,160.78 and 267,098.23 is: 368,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,379.10 : 511,160.78 = 267,098.23 : x
  2. Step 2: Convert to fraction form
    370,379.10/511,160.78 = 267,098.23/x
  3. Step 3: Cross multiply
    370,379.10x = 511,160.78 × 267,098.23
  4. Step 4: Simplify right side
    370,379.10x = 136,530,138,973.26
  5. Step 5: Solve for x
    x = 136,530,138,973.26/370,379.10
  6. Step 6: Final answer
    x = 368,622.69

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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.