Home / 374,109.60-516,270-204,343.68

Finding the Fourth Proportional to 374,109.60, 516,270 and 204,343.68

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Solution

The fourth proportional to 374,109.60, 516,270 and 204,343.68 is: 281,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,109.60 : 516,270 = 204,343.68 : x
  2. Step 2: Convert to fraction form
    374,109.60/516,270 = 204,343.68/x
  3. Step 3: Cross multiply
    374,109.60x = 516,270 × 204,343.68
  4. Step 4: Simplify right side
    374,109.60x = 105,496,511,673.60
  5. Step 5: Solve for x
    x = 105,496,511,673.60/374,109.60
  6. Step 6: Final answer
    x = 281,993.60

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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.