Home / 193,378.32-266,796.05-112,739.49

Finding the Fourth Proportional to 193,378.32, 266,796.05 and 112,739.49

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Solution

The fourth proportional to 193,378.32, 266,796.05 and 112,739.49 is: 155,542.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.32 : 266,796.05 = 112,739.49 : x
  2. Step 2: Convert to fraction form
    193,378.32/266,796.05 = 112,739.49/x
  3. Step 3: Cross multiply
    193,378.32x = 266,796.05 × 112,739.49
  4. Step 4: Simplify right side
    193,378.32x = 30,078,450,047.32
  5. Step 5: Solve for x
    x = 30,078,450,047.32/193,378.32
  6. Step 6: Final answer
    x = 155,542.00

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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.