Home / 248,421.96-374,306.79-205,020.84

Finding the Fourth Proportional to 248,421.96, 374,306.79 and 205,020.84

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Solution

The fourth proportional to 248,421.96, 374,306.79 and 205,020.84 is: 308,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,421.96 : 374,306.79 = 205,020.84 : x
  2. Step 2: Convert to fraction form
    248,421.96/374,306.79 = 205,020.84/x
  3. Step 3: Cross multiply
    248,421.96x = 374,306.79 × 205,020.84
  4. Step 4: Simplify right side
    248,421.96x = 76,740,692,503.50
  5. Step 5: Solve for x
    x = 76,740,692,503.50/248,421.96
  6. Step 6: Final answer
    x = 308,912.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.