Home / 237,243.04-327,398.16-129,815.20

Finding the Fourth Proportional to 237,243.04, 327,398.16 and 129,815.20

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Solution

The fourth proportional to 237,243.04, 327,398.16 and 129,815.20 is: 179,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,243.04 : 327,398.16 = 129,815.20 : x
  2. Step 2: Convert to fraction form
    237,243.04/327,398.16 = 129,815.20/x
  3. Step 3: Cross multiply
    237,243.04x = 327,398.16 × 129,815.20
  4. Step 4: Simplify right side
    237,243.04x = 42,501,257,620.03
  5. Step 5: Solve for x
    x = 42,501,257,620.03/237,243.04
  6. Step 6: Final answer
    x = 179,146.49

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1.5x scale

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.