Home / 291,936.39-402,872.28-164,612.01

Finding the Fourth Proportional to 291,936.39, 402,872.28 and 164,612.01

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Solution

The fourth proportional to 291,936.39, 402,872.28 and 164,612.01 is: 227,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,936.39 : 402,872.28 = 164,612.01 : x
  2. Step 2: Convert to fraction form
    291,936.39/402,872.28 = 164,612.01/x
  3. Step 3: Cross multiply
    291,936.39x = 402,872.28 × 164,612.01
  4. Step 4: Simplify right side
    291,936.39x = 66,317,615,784.08
  5. Step 5: Solve for x
    x = 66,317,615,784.08/291,936.39
  6. Step 6: Final answer
    x = 227,164.61

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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.