Home / 215,553.07-297,463.32-124,961.55

Finding the Fourth Proportional to 215,553.07, 297,463.32 and 124,961.55

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Solution

The fourth proportional to 215,553.07, 297,463.32 and 124,961.55 is: 172,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,553.07 : 297,463.32 = 124,961.55 : x
  2. Step 2: Convert to fraction form
    215,553.07/297,463.32 = 124,961.55/x
  3. Step 3: Cross multiply
    215,553.07x = 297,463.32 × 124,961.55
  4. Step 4: Simplify right side
    215,553.07x = 37,171,477,535.35
  5. Step 5: Solve for x
    x = 37,171,477,535.35/215,553.07
  6. Step 6: Final answer
    x = 172,446.99

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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.