Home / 308,825.11-463,275.04-109,104.63

Finding the Fourth Proportional to 308,825.11, 463,275.04 and 109,104.63

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Solution

The fourth proportional to 308,825.11, 463,275.04 and 109,104.63 is: 163,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,825.11 : 463,275.04 = 109,104.63 : x
  2. Step 2: Convert to fraction form
    308,825.11/463,275.04 = 109,104.63/x
  3. Step 3: Cross multiply
    308,825.11x = 463,275.04 × 109,104.63
  4. Step 4: Simplify right side
    308,825.11x = 50,545,451,827.44
  5. Step 5: Solve for x
    x = 50,545,451,827.44/308,825.11
  6. Step 6: Final answer
    x = 163,670.15

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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.