Home / 340,736.80-511,342.35-141,058.23

Finding the Fourth Proportional to 340,736.80, 511,342.35 and 141,058.23

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Solution

The fourth proportional to 340,736.80, 511,342.35 and 141,058.23 is: 211,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,736.80 : 511,342.35 = 141,058.23 : x
  2. Step 2: Convert to fraction form
    340,736.80/511,342.35 = 141,058.23/x
  3. Step 3: Cross multiply
    340,736.80x = 511,342.35 × 141,058.23
  4. Step 4: Simplify right side
    340,736.80x = 72,129,046,815.04
  5. Step 5: Solve for x
    x = 72,129,046,815.04/340,736.80
  6. Step 6: Final answer
    x = 211,685.52

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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.