Home / 215,520.22-297,554.07-158,832.86

Finding the Fourth Proportional to 215,520.22, 297,554.07 and 158,832.86

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Solution

The fourth proportional to 215,520.22, 297,554.07 and 158,832.86 is: 219,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,520.22 : 297,554.07 = 158,832.86 : x
  2. Step 2: Convert to fraction form
    215,520.22/297,554.07 = 158,832.86/x
  3. Step 3: Cross multiply
    215,520.22x = 297,554.07 × 158,832.86
  4. Step 4: Simplify right side
    215,520.22x = 47,261,363,942.74
  5. Step 5: Solve for x
    x = 47,261,363,942.74/215,520.22
  6. Step 6: Final answer
    x = 219,289.70

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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.