Home / 137,542.61-189,634.38-98,298.49

Finding the Fourth Proportional to 137,542.61, 189,634.38 and 98,298.49

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Solution

The fourth proportional to 137,542.61, 189,634.38 and 98,298.49 is: 135,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,542.61 : 189,634.38 = 98,298.49 : x
  2. Step 2: Convert to fraction form
    137,542.61/189,634.38 = 98,298.49/x
  3. Step 3: Cross multiply
    137,542.61x = 189,634.38 × 98,298.49
  4. Step 4: Simplify right side
    137,542.61x = 18,640,773,206.09
  5. Step 5: Solve for x
    x = 18,640,773,206.09/137,542.61
  6. Step 6: Final answer
    x = 135,527.26

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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.