Home / 215,759.81-297,876.23-191,820.37

Finding the Fourth Proportional to 215,759.81, 297,876.23 and 191,820.37

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Solution

The fourth proportional to 215,759.81, 297,876.23 and 191,820.37 is: 264,825.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,759.81 : 297,876.23 = 191,820.37 : x
  2. Step 2: Convert to fraction form
    215,759.81/297,876.23 = 191,820.37/x
  3. Step 3: Cross multiply
    215,759.81x = 297,876.23 × 191,820.37
  4. Step 4: Simplify right side
    215,759.81x = 57,138,728,049.18
  5. Step 5: Solve for x
    x = 57,138,728,049.18/215,759.81
  6. Step 6: Final answer
    x = 264,825.63

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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.