Home / 193,359.22-266,775.91-112,729.69

Finding the Fourth Proportional to 193,359.22, 266,775.91 and 112,729.69

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Solution

The fourth proportional to 193,359.22, 266,775.91 and 112,729.69 is: 155,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,359.22 : 266,775.91 = 112,729.69 : x
  2. Step 2: Convert to fraction form
    193,359.22/266,775.91 = 112,729.69/x
  3. Step 3: Cross multiply
    193,359.22x = 266,775.91 × 112,729.69
  4. Step 4: Simplify right side
    193,359.22x = 30,073,565,633.77
  5. Step 5: Solve for x
    x = 30,073,565,633.77/193,359.22
  6. Step 6: Final answer
    x = 155,532.10

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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.