Home / 198,032.86-272,823.30-162,012.94

Finding the Fourth Proportional to 198,032.86, 272,823.30 and 162,012.94

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Solution

The fourth proportional to 198,032.86, 272,823.30 and 162,012.94 is: 223,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,032.86 : 272,823.30 = 162,012.94 : x
  2. Step 2: Convert to fraction form
    198,032.86/272,823.30 = 162,012.94/x
  3. Step 3: Cross multiply
    198,032.86x = 272,823.30 × 162,012.94
  4. Step 4: Simplify right side
    198,032.86x = 44,200,904,933.50
  5. Step 5: Solve for x
    x = 44,200,904,933.50/198,032.86
  6. Step 6: Final answer
    x = 223,199.85

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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.