Home / 204,785.13-307,316.01-71,666.55

Finding the Fourth Proportional to 204,785.13, 307,316.01 and 71,666.55

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Solution

The fourth proportional to 204,785.13, 307,316.01 and 71,666.55 is: 107,548.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,785.13 : 307,316.01 = 71,666.55 : x
  2. Step 2: Convert to fraction form
    204,785.13/307,316.01 = 71,666.55/x
  3. Step 3: Cross multiply
    204,785.13x = 307,316.01 × 71,666.55
  4. Step 4: Simplify right side
    204,785.13x = 22,024,278,196.47
  5. Step 5: Solve for x
    x = 22,024,278,196.47/204,785.13
  6. Step 6: Final answer
    x = 107,548.23

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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.