Home / 197,142.66-295,720.02-77,194.62

Finding the Fourth Proportional to 197,142.66, 295,720.02 and 77,194.62

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Solution

The fourth proportional to 197,142.66, 295,720.02 and 77,194.62 is: 115,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,142.66 : 295,720.02 = 77,194.62 : x
  2. Step 2: Convert to fraction form
    197,142.66/295,720.02 = 77,194.62/x
  3. Step 3: Cross multiply
    197,142.66x = 295,720.02 × 77,194.62
  4. Step 4: Simplify right side
    197,142.66x = 22,827,994,570.29
  5. Step 5: Solve for x
    x = 22,827,994,570.29/197,142.66
  6. Step 6: Final answer
    x = 115,794.29

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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.