Home / 215,932.56-297,832.68-187,200.86

Finding the Fourth Proportional to 215,932.56, 297,832.68 and 187,200.86

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Solution

The fourth proportional to 215,932.56, 297,832.68 and 187,200.86 is: 258,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,932.56 : 297,832.68 = 187,200.86 : x
  2. Step 2: Convert to fraction form
    215,932.56/297,832.68 = 187,200.86/x
  3. Step 3: Cross multiply
    215,932.56x = 297,832.68 × 187,200.86
  4. Step 4: Simplify right side
    215,932.56x = 55,754,533,832.10
  5. Step 5: Solve for x
    x = 55,754,533,832.10/215,932.56
  6. Step 6: Final answer
    x = 258,203.46

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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.