Home / 444,028.30-666,151.72-128,517.10

Finding the Fourth Proportional to 444,028.30, 666,151.72 and 128,517.10

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Solution

The fourth proportional to 444,028.30, 666,151.72 and 128,517.10 is: 192,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,028.30 : 666,151.72 = 128,517.10 : x
  2. Step 2: Convert to fraction form
    444,028.30/666,151.72 = 128,517.10/x
  3. Step 3: Cross multiply
    444,028.30x = 666,151.72 × 128,517.10
  4. Step 4: Simplify right side
    444,028.30x = 85,611,887,214.41
  5. Step 5: Solve for x
    x = 85,611,887,214.41/444,028.30
  6. Step 6: Final answer
    x = 192,807.28

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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.