Home / 141,570.48-195,367.29-77,908.28

Finding the Fourth Proportional to 141,570.48, 195,367.29 and 77,908.28

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Solution

The fourth proportional to 141,570.48, 195,367.29 and 77,908.28 is: 107,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,570.48 : 195,367.29 = 77,908.28 : x
  2. Step 2: Convert to fraction form
    141,570.48/195,367.29 = 77,908.28/x
  3. Step 3: Cross multiply
    141,570.48x = 195,367.29 × 77,908.28
  4. Step 4: Simplify right side
    141,570.48x = 15,220,728,555.32
  5. Step 5: Solve for x
    x = 15,220,728,555.32/141,570.48
  6. Step 6: Final answer
    x = 107,513.43

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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.