Home / 256,936.86-384,990.57-158,233.50

Finding the Fourth Proportional to 256,936.86, 384,990.57 and 158,233.50

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Solution

The fourth proportional to 256,936.86, 384,990.57 and 158,233.50 is: 237,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,936.86 : 384,990.57 = 158,233.50 : x
  2. Step 2: Convert to fraction form
    256,936.86/384,990.57 = 158,233.50/x
  3. Step 3: Cross multiply
    256,936.86x = 384,990.57 × 158,233.50
  4. Step 4: Simplify right side
    256,936.86x = 60,918,405,358.10
  5. Step 5: Solve for x
    x = 60,918,405,358.10/256,936.86
  6. Step 6: Final answer
    x = 237,094.85

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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.