Home / 198,607.46-274,047.69-118,005.14

Finding the Fourth Proportional to 198,607.46, 274,047.69 and 118,005.14

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Solution

The fourth proportional to 198,607.46, 274,047.69 and 118,005.14 is: 162,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,607.46 : 274,047.69 = 118,005.14 : x
  2. Step 2: Convert to fraction form
    198,607.46/274,047.69 = 118,005.14/x
  3. Step 3: Cross multiply
    198,607.46x = 274,047.69 × 118,005.14
  4. Step 4: Simplify right side
    198,607.46x = 32,339,036,025.13
  5. Step 5: Solve for x
    x = 32,339,036,025.13/198,607.46
  6. Step 6: Final answer
    x = 162,828.91

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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.