Home / 141,456.60-195,208.56-77,795.28

Finding the Fourth Proportional to 141,456.60, 195,208.56 and 77,795.28

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Solution

The fourth proportional to 141,456.60, 195,208.56 and 77,795.28 is: 107,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,456.60 : 195,208.56 = 77,795.28 : x
  2. Step 2: Convert to fraction form
    141,456.60/195,208.56 = 77,795.28/x
  3. Step 3: Cross multiply
    141,456.60x = 195,208.56 × 77,795.28
  4. Step 4: Simplify right side
    141,456.60x = 15,186,304,583.60
  5. Step 5: Solve for x
    x = 15,186,304,583.60/141,456.60
  6. Step 6: Final answer
    x = 107,356.64

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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.