Home / 215,728.94-323,571.54-57,936.90

Finding the Fourth Proportional to 215,728.94, 323,571.54 and 57,936.90

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Solution

The fourth proportional to 215,728.94, 323,571.54 and 57,936.90 is: 86,899.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,728.94 : 323,571.54 = 57,936.90 : x
  2. Step 2: Convert to fraction form
    215,728.94/323,571.54 = 57,936.90/x
  3. Step 3: Cross multiply
    215,728.94x = 323,571.54 × 57,936.90
  4. Step 4: Simplify right side
    215,728.94x = 18,746,731,955.83
  5. Step 5: Solve for x
    x = 18,746,731,955.83/215,728.94
  6. Step 6: Final answer
    x = 86,899.48

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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.