Home / 193,828.01-290,921.92-99,125.87

Finding the Fourth Proportional to 193,828.01, 290,921.92 and 99,125.87

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Solution

The fourth proportional to 193,828.01, 290,921.92 and 99,125.87 is: 148,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,828.01 : 290,921.92 = 99,125.87 : x
  2. Step 2: Convert to fraction form
    193,828.01/290,921.92 = 99,125.87/x
  3. Step 3: Cross multiply
    193,828.01x = 290,921.92 × 99,125.87
  4. Step 4: Simplify right side
    193,828.01x = 28,837,886,719.65
  5. Step 5: Solve for x
    x = 28,837,886,719.65/193,828.01
  6. Step 6: Final answer
    x = 148,780.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.