Home / 326,121.22-450,051.90-197,041.75

Finding the Fourth Proportional to 326,121.22, 450,051.90 and 197,041.75

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Solution

The fourth proportional to 326,121.22, 450,051.90 and 197,041.75 is: 271,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,121.22 : 450,051.90 = 197,041.75 : x
  2. Step 2: Convert to fraction form
    326,121.22/450,051.90 = 197,041.75/x
  3. Step 3: Cross multiply
    326,121.22x = 450,051.90 × 197,041.75
  4. Step 4: Simplify right side
    326,121.22x = 88,679,012,102.79
  5. Step 5: Solve for x
    x = 88,679,012,102.79/326,121.22
  6. Step 6: Final answer
    x = 271,920.40

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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.