Home / 374,400.81-516,665.52-204,636.15

Finding the Fourth Proportional to 374,400.81, 516,665.52 and 204,636.15

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Solution

The fourth proportional to 374,400.81, 516,665.52 and 204,636.15 is: 282,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,400.81 : 516,665.52 = 204,636.15 : x
  2. Step 2: Convert to fraction form
    374,400.81/516,665.52 = 204,636.15/x
  3. Step 3: Cross multiply
    374,400.81x = 516,665.52 × 204,636.15
  4. Step 4: Simplify right side
    374,400.81x = 105,728,442,850.55
  5. Step 5: Solve for x
    x = 105,728,442,850.55/374,400.81
  6. Step 6: Final answer
    x = 282,393.73

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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.