Home / 198,753.02-274,188.70-118,134.74

Finding the Fourth Proportional to 198,753.02, 274,188.70 and 118,134.74

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Solution

The fourth proportional to 198,753.02, 274,188.70 and 118,134.74 is: 162,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,753.02 : 274,188.70 = 118,134.74 : x
  2. Step 2: Convert to fraction form
    198,753.02/274,188.70 = 118,134.74/x
  3. Step 3: Cross multiply
    198,753.02x = 274,188.70 × 118,134.74
  4. Step 4: Simplify right side
    198,753.02x = 32,391,210,785.44
  5. Step 5: Solve for x
    x = 32,391,210,785.44/198,753.02
  6. Step 6: Final answer
    x = 162,972.17

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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.