Home / 144,593.79-199,541.52-80,931.03

Finding the Fourth Proportional to 144,593.79, 199,541.52 and 80,931.03

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Solution

The fourth proportional to 144,593.79, 199,541.52 and 80,931.03 is: 111,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,593.79 : 199,541.52 = 80,931.03 : x
  2. Step 2: Convert to fraction form
    144,593.79/199,541.52 = 80,931.03/x
  3. Step 3: Cross multiply
    144,593.79x = 199,541.52 × 80,931.03
  4. Step 4: Simplify right side
    144,593.79x = 16,149,100,741.37
  5. Step 5: Solve for x
    x = 16,149,100,741.37/144,593.79
  6. Step 6: Final answer
    x = 111,685.99

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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.