Home / 215,453.32-322,153.98-196,631.35

Finding the Fourth Proportional to 215,453.32, 322,153.98 and 196,631.35

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Solution

The fourth proportional to 215,453.32, 322,153.98 and 196,631.35 is: 294,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,453.32 : 322,153.98 = 196,631.35 : x
  2. Step 2: Convert to fraction form
    215,453.32/322,153.98 = 196,631.35/x
  3. Step 3: Cross multiply
    215,453.32x = 322,153.98 × 196,631.35
  4. Step 4: Simplify right side
    215,453.32x = 63,345,571,995.27
  5. Step 5: Solve for x
    x = 63,345,571,995.27/215,453.32
  6. Step 6: Final answer
    x = 294,010.66

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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.