Home / 447,266.84-670,668.60-131,682.20

Finding the Fourth Proportional to 447,266.84, 670,668.60 and 131,682.20

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Solution

The fourth proportional to 447,266.84, 670,668.60 and 131,682.20 is: 197,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,266.84 : 670,668.60 = 131,682.20 : x
  2. Step 2: Convert to fraction form
    447,266.84/670,668.60 = 131,682.20/x
  3. Step 3: Cross multiply
    447,266.84x = 670,668.60 × 131,682.20
  4. Step 4: Simplify right side
    447,266.84x = 88,315,116,718.92
  5. Step 5: Solve for x
    x = 88,315,116,718.92/447,266.84
  6. Step 6: Final answer
    x = 197,455.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.