Home / 153,724.25-229,058.12-136,955.42

Finding the Fourth Proportional to 153,724.25, 229,058.12 and 136,955.42

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Solution

The fourth proportional to 153,724.25, 229,058.12 and 136,955.42 is: 204,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,724.25 : 229,058.12 = 136,955.42 : x
  2. Step 2: Convert to fraction form
    153,724.25/229,058.12 = 136,955.42/x
  3. Step 3: Cross multiply
    153,724.25x = 229,058.12 × 136,955.42
  4. Step 4: Simplify right side
    153,724.25x = 31,370,749,198.94
  5. Step 5: Solve for x
    x = 31,370,749,198.94/153,724.25
  6. Step 6: Final answer
    x = 204,071.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.