Home / 284,816.16-393,216.86-177,531.52

Finding the Fourth Proportional to 284,816.16, 393,216.86 and 177,531.52

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Solution

The fourth proportional to 284,816.16, 393,216.86 and 177,531.52 is: 245,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,816.16 : 393,216.86 = 177,531.52 : x
  2. Step 2: Convert to fraction form
    284,816.16/393,216.86 = 177,531.52/x
  3. Step 3: Cross multiply
    284,816.16x = 393,216.86 × 177,531.52
  4. Step 4: Simplify right side
    284,816.16x = 69,808,386,845.43
  5. Step 5: Solve for x
    x = 69,808,386,845.43/284,816.16
  6. Step 6: Final answer
    x = 245,099.81

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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.