Home / 265,979.76-367,044.96-145,121.04

Finding the Fourth Proportional to 265,979.76, 367,044.96 and 145,121.04

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Solution

The fourth proportional to 265,979.76, 367,044.96 and 145,121.04 is: 200,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,979.76 : 367,044.96 = 145,121.04 : x
  2. Step 2: Convert to fraction form
    265,979.76/367,044.96 = 145,121.04/x
  3. Step 3: Cross multiply
    265,979.76x = 367,044.96 × 145,121.04
  4. Step 4: Simplify right side
    265,979.76x = 53,265,946,321.96
  5. Step 5: Solve for x
    x = 53,265,946,321.96/265,979.76
  6. Step 6: Final answer
    x = 200,263.16

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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.