Home / 443,932.87-665,905.44-144,415.02

Finding the Fourth Proportional to 443,932.87, 665,905.44 and 144,415.02

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Solution

The fourth proportional to 443,932.87, 665,905.44 and 144,415.02 is: 216,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,932.87 : 665,905.44 = 144,415.02 : x
  2. Step 2: Convert to fraction form
    443,932.87/665,905.44 = 144,415.02/x
  3. Step 3: Cross multiply
    443,932.87x = 665,905.44 × 144,415.02
  4. Step 4: Simplify right side
    443,932.87x = 96,166,747,435.71
  5. Step 5: Solve for x
    x = 96,166,747,435.71/443,932.87
  6. Step 6: Final answer
    x = 216,624.53

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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.