Home / 198,624.84-274,081.75-118,036.86

Finding the Fourth Proportional to 198,624.84, 274,081.75 and 118,036.86

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Solution

The fourth proportional to 198,624.84, 274,081.75 and 118,036.86 is: 162,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,624.84 : 274,081.75 = 118,036.86 : x
  2. Step 2: Convert to fraction form
    198,624.84/274,081.75 = 118,036.86/x
  3. Step 3: Cross multiply
    198,624.84x = 274,081.75 × 118,036.86
  4. Step 4: Simplify right side
    198,624.84x = 32,351,749,153.31
  5. Step 5: Solve for x
    x = 32,351,749,153.31/198,624.84
  6. Step 6: Final answer
    x = 162,878.67

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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.