Home / 142,725.24-196,952.31-79,058.43

Finding the Fourth Proportional to 142,725.24, 196,952.31 and 79,058.43

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Solution

The fourth proportional to 142,725.24, 196,952.31 and 79,058.43 is: 109,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,725.24 : 196,952.31 = 79,058.43 : x
  2. Step 2: Convert to fraction form
    142,725.24/196,952.31 = 79,058.43/x
  3. Step 3: Cross multiply
    142,725.24x = 196,952.31 × 79,058.43
  4. Step 4: Simplify right side
    142,725.24x = 15,570,740,413.47
  5. Step 5: Solve for x
    x = 15,570,740,413.47/142,725.24
  6. Step 6: Final answer
    x = 109,095.91

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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.