Home / 215,926.32-323,889.44-66,166.02

Finding the Fourth Proportional to 215,926.32, 323,889.44 and 66,166.02

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Solution

The fourth proportional to 215,926.32, 323,889.44 and 66,166.02 is: 99,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,926.32 : 323,889.44 = 66,166.02 : x
  2. Step 2: Convert to fraction form
    215,926.32/323,889.44 = 66,166.02/x
  3. Step 3: Cross multiply
    215,926.32x = 323,889.44 × 66,166.02
  4. Step 4: Simplify right side
    215,926.32x = 21,430,475,164.83
  5. Step 5: Solve for x
    x = 21,430,475,164.83/215,926.32
  6. Step 6: Final answer
    x = 99,249.02

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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.