Home / 198,625.96-274,089.54-113,740.84

Finding the Fourth Proportional to 198,625.96, 274,089.54 and 113,740.84

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Solution

The fourth proportional to 198,625.96, 274,089.54 and 113,740.84 is: 156,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,625.96 : 274,089.54 = 113,740.84 : x
  2. Step 2: Convert to fraction form
    198,625.96/274,089.54 = 113,740.84/x
  3. Step 3: Cross multiply
    198,625.96x = 274,089.54 × 113,740.84
  4. Step 4: Simplify right side
    198,625.96x = 31,175,174,514.81
  5. Step 5: Solve for x
    x = 31,175,174,514.81/198,625.96
  6. Step 6: Final answer
    x = 156,954.18

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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.