Home / 198,604.74-274,114.33-118,016.67

Finding the Fourth Proportional to 198,604.74, 274,114.33 and 118,016.67

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Solution

The fourth proportional to 198,604.74, 274,114.33 and 118,016.67 is: 162,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,604.74 : 274,114.33 = 118,016.67 : x
  2. Step 2: Convert to fraction form
    198,604.74/274,114.33 = 118,016.67/x
  3. Step 3: Cross multiply
    198,604.74x = 274,114.33 × 118,016.67
  4. Step 4: Simplify right side
    198,604.74x = 32,350,060,387.82
  5. Step 5: Solve for x
    x = 32,350,060,387.82/198,604.74
  6. Step 6: Final answer
    x = 162,886.65

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1.5x scale

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.