Home / 445,122.06-667,216.53-164,460.30

Finding the Fourth Proportional to 445,122.06, 667,216.53 and 164,460.30

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Solution

The fourth proportional to 445,122.06, 667,216.53 and 164,460.30 is: 246,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,122.06 : 667,216.53 = 164,460.30 : x
  2. Step 2: Convert to fraction form
    445,122.06/667,216.53 = 164,460.30/x
  3. Step 3: Cross multiply
    445,122.06x = 667,216.53 × 164,460.30
  4. Step 4: Simplify right side
    445,122.06x = 109,730,630,688.76
  5. Step 5: Solve for x
    x = 109,730,630,688.76/445,122.06
  6. Step 6: Final answer
    x = 246,518.07

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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.