Home / 193,606.30-290,438.92-98,784.66

Finding the Fourth Proportional to 193,606.30, 290,438.92 and 98,784.66

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Solution

The fourth proportional to 193,606.30, 290,438.92 and 98,784.66 is: 148,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,606.30 : 290,438.92 = 98,784.66 : x
  2. Step 2: Convert to fraction form
    193,606.30/290,438.92 = 98,784.66/x
  3. Step 3: Cross multiply
    193,606.30x = 290,438.92 × 98,784.66
  4. Step 4: Simplify right side
    193,606.30x = 28,690,910,619.93
  5. Step 5: Solve for x
    x = 28,690,910,619.93/193,606.30
  6. Step 6: Final answer
    x = 148,192.03

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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.