Home / 193,183.48-266,722.64-120,696.72

Finding the Fourth Proportional to 193,183.48, 266,722.64 and 120,696.72

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Solution

The fourth proportional to 193,183.48, 266,722.64 and 120,696.72 is: 166,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,183.48 : 266,722.64 = 120,696.72 : x
  2. Step 2: Convert to fraction form
    193,183.48/266,722.64 = 120,696.72/x
  3. Step 3: Cross multiply
    193,183.48x = 266,722.64 × 120,696.72
  4. Step 4: Simplify right side
    193,183.48x = 32,192,547,797.74
  5. Step 5: Solve for x
    x = 32,192,547,797.74/193,183.48
  6. Step 6: Final answer
    x = 166,642.34

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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.