Home / 308,085.12-462,153.60-108,384.48

Finding the Fourth Proportional to 308,085.12, 462,153.60 and 108,384.48

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Solution

The fourth proportional to 308,085.12, 462,153.60 and 108,384.48 is: 162,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,085.12 : 462,153.60 = 108,384.48 : x
  2. Step 2: Convert to fraction form
    308,085.12/462,153.60 = 108,384.48/x
  3. Step 3: Cross multiply
    308,085.12x = 462,153.60 × 108,384.48
  4. Step 4: Simplify right side
    308,085.12x = 50,090,277,616.13
  5. Step 5: Solve for x
    x = 50,090,277,616.13/308,085.12
  6. Step 6: Final answer
    x = 162,585.84

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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.