Home / 204,434.51-306,520.53-134,231.81

Finding the Fourth Proportional to 204,434.51, 306,520.53 and 134,231.81

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Solution

The fourth proportional to 204,434.51, 306,520.53 and 134,231.81 is: 201,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,434.51 : 306,520.53 = 134,231.81 : x
  2. Step 2: Convert to fraction form
    204,434.51/306,520.53 = 134,231.81/x
  3. Step 3: Cross multiply
    204,434.51x = 306,520.53 × 134,231.81
  4. Step 4: Simplify right side
    204,434.51x = 41,144,805,544.06
  5. Step 5: Solve for x
    x = 41,144,805,544.06/204,434.51
  6. Step 6: Final answer
    x = 201,261.55

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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.