Home / 137,218.56-189,273.75-110,059.81

Finding the Fourth Proportional to 137,218.56, 189,273.75 and 110,059.81

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Solution

The fourth proportional to 137,218.56, 189,273.75 and 110,059.81 is: 151,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,218.56 : 189,273.75 = 110,059.81 : x
  2. Step 2: Convert to fraction form
    137,218.56/189,273.75 = 110,059.81/x
  3. Step 3: Cross multiply
    137,218.56x = 189,273.75 × 110,059.81
  4. Step 4: Simplify right side
    137,218.56x = 20,831,433,606.06
  5. Step 5: Solve for x
    x = 20,831,433,606.06/137,218.56
  6. Step 6: Final answer
    x = 151,812.07

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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.