Home / 235,513.40-325,864.26-205,361.60

Finding the Fourth Proportional to 235,513.40, 325,864.26 and 205,361.60

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Solution

The fourth proportional to 235,513.40, 325,864.26 and 205,361.60 is: 284,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,513.40 : 325,864.26 = 205,361.60 : x
  2. Step 2: Convert to fraction form
    235,513.40/325,864.26 = 205,361.60/x
  3. Step 3: Cross multiply
    235,513.40x = 325,864.26 × 205,361.60
  4. Step 4: Simplify right side
    235,513.40x = 66,920,005,816.42
  5. Step 5: Solve for x
    x = 66,920,005,816.42/235,513.40
  6. Step 6: Final answer
    x = 284,145.22

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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.