Home / 214,541.51-321,865.31-151,485.17

Finding the Fourth Proportional to 214,541.51, 321,865.31 and 151,485.17

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Solution

The fourth proportional to 214,541.51, 321,865.31 and 151,485.17 is: 227,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,541.51 : 321,865.31 = 151,485.17 : x
  2. Step 2: Convert to fraction form
    214,541.51/321,865.31 = 151,485.17/x
  3. Step 3: Cross multiply
    214,541.51x = 321,865.31 × 151,485.17
  4. Step 4: Simplify right side
    214,541.51x = 48,757,819,971.84
  5. Step 5: Solve for x
    x = 48,757,819,971.84/214,541.51
  6. Step 6: Final answer
    x = 227,265.21

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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.