Home / 144,058.08-198,792.10-80,399.96

Finding the Fourth Proportional to 144,058.08, 198,792.10 and 80,399.96

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Solution

The fourth proportional to 144,058.08, 198,792.10 and 80,399.96 is: 110,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,058.08 : 198,792.10 = 80,399.96 : x
  2. Step 2: Convert to fraction form
    144,058.08/198,792.10 = 80,399.96/x
  3. Step 3: Cross multiply
    144,058.08x = 198,792.10 × 80,399.96
  4. Step 4: Simplify right side
    144,058.08x = 15,982,876,888.32
  5. Step 5: Solve for x
    x = 15,982,876,888.32/144,058.08
  6. Step 6: Final answer
    x = 110,947.45

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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.