Home / 215,924.42-323,874.96-66,165.14

Finding the Fourth Proportional to 215,924.42, 323,874.96 and 66,165.14

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Solution

The fourth proportional to 215,924.42, 323,874.96 and 66,165.14 is: 99,244.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,924.42 : 323,874.96 = 66,165.14 : x
  2. Step 2: Convert to fraction form
    215,924.42/323,874.96 = 66,165.14/x
  3. Step 3: Cross multiply
    215,924.42x = 323,874.96 × 66,165.14
  4. Step 4: Simplify right side
    215,924.42x = 21,429,232,070.89
  5. Step 5: Solve for x
    x = 21,429,232,070.89/215,924.42
  6. Step 6: Final answer
    x = 99,244.13

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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.