Home / 284,943.48-393,050.64-188,148.20

Finding the Fourth Proportional to 284,943.48, 393,050.64 and 188,148.20

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Solution

The fourth proportional to 284,943.48, 393,050.64 and 188,148.20 is: 259,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,943.48 : 393,050.64 = 188,148.20 : x
  2. Step 2: Convert to fraction form
    284,943.48/393,050.64 = 188,148.20/x
  3. Step 3: Cross multiply
    284,943.48x = 393,050.64 × 188,148.20
  4. Step 4: Simplify right side
    284,943.48x = 73,951,770,424.85
  5. Step 5: Solve for x
    x = 73,951,770,424.85/284,943.48
  6. Step 6: Final answer
    x = 259,531.37

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1.5x scale

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.