Home / 215,623.20-323,434.80-194,887.20

Finding the Fourth Proportional to 215,623.20, 323,434.80 and 194,887.20

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Solution

The fourth proportional to 215,623.20, 323,434.80 and 194,887.20 is: 292,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,623.20 : 323,434.80 = 194,887.20 : x
  2. Step 2: Convert to fraction form
    215,623.20/323,434.80 = 194,887.20/x
  3. Step 3: Cross multiply
    215,623.20x = 323,434.80 × 194,887.20
  4. Step 4: Simplify right side
    215,623.20x = 63,033,302,554.56
  5. Step 5: Solve for x
    x = 63,033,302,554.56/215,623.20
  6. Step 6: Final answer
    x = 292,330.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.