Home / 197,782.49-272,940.15-117,249.59

Finding the Fourth Proportional to 197,782.49, 272,940.15 and 117,249.59

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Solution

The fourth proportional to 197,782.49, 272,940.15 and 117,249.59 is: 161,804.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,782.49 : 272,940.15 = 117,249.59 : x
  2. Step 2: Convert to fraction form
    197,782.49/272,940.15 = 117,249.59/x
  3. Step 3: Cross multiply
    197,782.49x = 272,940.15 × 117,249.59
  4. Step 4: Simplify right side
    197,782.49x = 32,002,119,317.34
  5. Step 5: Solve for x
    x = 32,002,119,317.34/197,782.49
  6. Step 6: Final answer
    x = 161,804.62

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1.5x scale

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.