Home / 190,057.86-284,889.96-156,424.54

Finding the Fourth Proportional to 190,057.86, 284,889.96 and 156,424.54

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Solution

The fourth proportional to 190,057.86, 284,889.96 and 156,424.54 is: 234,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,057.86 : 284,889.96 = 156,424.54 : x
  2. Step 2: Convert to fraction form
    190,057.86/284,889.96 = 156,424.54/x
  3. Step 3: Cross multiply
    190,057.86x = 284,889.96 × 156,424.54
  4. Step 4: Simplify right side
    190,057.86x = 44,563,780,943.62
  5. Step 5: Solve for x
    x = 44,563,780,943.62/190,057.86
  6. Step 6: Final answer
    x = 234,474.81

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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.