Home / 330,776.88-456,463.92-192,982.20

Finding the Fourth Proportional to 330,776.88, 456,463.92 and 192,982.20

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Solution

The fourth proportional to 330,776.88, 456,463.92 and 192,982.20 is: 266,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,776.88 : 456,463.92 = 192,982.20 : x
  2. Step 2: Convert to fraction form
    330,776.88/456,463.92 = 192,982.20/x
  3. Step 3: Cross multiply
    330,776.88x = 456,463.92 × 192,982.20
  4. Step 4: Simplify right side
    330,776.88x = 88,089,411,502.22
  5. Step 5: Solve for x
    x = 88,089,411,502.22/330,776.88
  6. Step 6: Final answer
    x = 266,310.67

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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.