Home / 185,829.82-278,840.07-91,058.22

Finding the Fourth Proportional to 185,829.82, 278,840.07 and 91,058.22

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Solution

The fourth proportional to 185,829.82, 278,840.07 and 91,058.22 is: 136,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,829.82 : 278,840.07 = 91,058.22 : x
  2. Step 2: Convert to fraction form
    185,829.82/278,840.07 = 91,058.22/x
  3. Step 3: Cross multiply
    185,829.82x = 278,840.07 × 91,058.22
  4. Step 4: Simplify right side
    185,829.82x = 25,390,679,983.58
  5. Step 5: Solve for x
    x = 25,390,679,983.58/185,829.82
  6. Step 6: Final answer
    x = 136,634.05

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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.