Home / 193,378.55-266,858.26-107,332.52

Finding the Fourth Proportional to 193,378.55, 266,858.26 and 107,332.52

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Solution

The fourth proportional to 193,378.55, 266,858.26 and 107,332.52 is: 148,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.55 : 266,858.26 = 107,332.52 : x
  2. Step 2: Convert to fraction form
    193,378.55/266,858.26 = 107,332.52/x
  3. Step 3: Cross multiply
    193,378.55x = 266,858.26 × 107,332.52
  4. Step 4: Simplify right side
    193,378.55x = 28,642,568,529.74
  5. Step 5: Solve for x
    x = 28,642,568,529.74/193,378.55
  6. Step 6: Final answer
    x = 148,116.57

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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.