Home / 443,933.65-665,906.63-144,415.79

Finding the Fourth Proportional to 443,933.65, 665,906.63 and 144,415.79

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Solution

The fourth proportional to 443,933.65, 665,906.63 and 144,415.79 is: 216,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,933.65 : 665,906.63 = 144,415.79 : x
  2. Step 2: Convert to fraction form
    443,933.65/665,906.63 = 144,415.79/x
  3. Step 3: Cross multiply
    443,933.65x = 665,906.63 × 144,415.79
  4. Step 4: Simplify right side
    443,933.65x = 96,167,427,986.08
  5. Step 5: Solve for x
    x = 96,167,427,986.08/443,933.65
  6. Step 6: Final answer
    x = 216,625.68

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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.