Home / 198,139.60-296,835.73-153,548.38

Finding the Fourth Proportional to 198,139.60, 296,835.73 and 153,548.38

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Solution

The fourth proportional to 198,139.60, 296,835.73 and 153,548.38 is: 230,032.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,139.60 : 296,835.73 = 153,548.38 : x
  2. Step 2: Convert to fraction form
    198,139.60/296,835.73 = 153,548.38/x
  3. Step 3: Cross multiply
    198,139.60x = 296,835.73 × 153,548.38
  4. Step 4: Simplify right side
    198,139.60x = 45,578,645,467.62
  5. Step 5: Solve for x
    x = 45,578,645,467.62/198,139.60
  6. Step 6: Final answer
    x = 230,032.99

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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.