Home / 137,754.82-190,052.75-90,035.69

Finding the Fourth Proportional to 137,754.82, 190,052.75 and 90,035.69

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Solution

The fourth proportional to 137,754.82, 190,052.75 and 90,035.69 is: 124,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754.82 : 190,052.75 = 90,035.69 : x
  2. Step 2: Convert to fraction form
    137,754.82/190,052.75 = 90,035.69/x
  3. Step 3: Cross multiply
    137,754.82x = 190,052.75 × 90,035.69
  4. Step 4: Simplify right side
    137,754.82x = 17,111,531,182.87
  5. Step 5: Solve for x
    x = 17,111,531,182.87/137,754.82
  6. Step 6: Final answer
    x = 124,217.30

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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.