Home / 285,393.04-393,845.27-172,193.92

Finding the Fourth Proportional to 285,393.04, 393,845.27 and 172,193.92

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Solution

The fourth proportional to 285,393.04, 393,845.27 and 172,193.92 is: 237,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,393.04 : 393,845.27 = 172,193.92 : x
  2. Step 2: Convert to fraction form
    285,393.04/393,845.27 = 172,193.92/x
  3. Step 3: Cross multiply
    285,393.04x = 393,845.27 × 172,193.92
  4. Step 4: Simplify right side
    285,393.04x = 67,817,759,069.18
  5. Step 5: Solve for x
    x = 67,817,759,069.18/285,393.04
  6. Step 6: Final answer
    x = 237,629.34

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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.