Home / 193,378.64-266,858.39-107,332.61

Finding the Fourth Proportional to 193,378.64, 266,858.39 and 107,332.61

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Solution

The fourth proportional to 193,378.64, 266,858.39 and 107,332.61 is: 148,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.64 : 266,858.39 = 107,332.61 : x
  2. Step 2: Convert to fraction form
    193,378.64/266,858.39 = 107,332.61/x
  3. Step 3: Cross multiply
    193,378.64x = 266,858.39 × 107,332.61
  4. Step 4: Simplify right side
    193,378.64x = 28,642,605,628.14
  5. Step 5: Solve for x
    x = 28,642,605,628.14/193,378.64
  6. Step 6: Final answer
    x = 148,116.70

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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.