Home / 193,421.12-266,907.48-107,384.72

Finding the Fourth Proportional to 193,421.12, 266,907.48 and 107,384.72

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Solution

The fourth proportional to 193,421.12, 266,907.48 and 107,384.72 is: 148,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,421.12 : 266,907.48 = 107,384.72 : x
  2. Step 2: Convert to fraction form
    193,421.12/266,907.48 = 107,384.72/x
  3. Step 3: Cross multiply
    193,421.12x = 266,907.48 × 107,384.72
  4. Step 4: Simplify right side
    193,421.12x = 28,661,785,005.71
  5. Step 5: Solve for x
    x = 28,661,785,005.71/193,421.12
  6. Step 6: Final answer
    x = 148,183.33

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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.