Home / 443,930.12-665,901.32-144,412.26

Finding the Fourth Proportional to 443,930.12, 665,901.32 and 144,412.26

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Solution

The fourth proportional to 443,930.12, 665,901.32 and 144,412.26 is: 216,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,930.12 : 665,901.32 = 144,412.26 : x
  2. Step 2: Convert to fraction form
    443,930.12/665,901.32 = 144,412.26/x
  3. Step 3: Cross multiply
    443,930.12x = 665,901.32 × 144,412.26
  4. Step 4: Simplify right side
    443,930.12x = 96,164,313,836.12
  5. Step 5: Solve for x
    x = 96,164,313,836.12/443,930.12
  6. Step 6: Final answer
    x = 216,620.39

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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.