Home / 442,329.84-663,495.22-109,905.84

Finding the Fourth Proportional to 442,329.84, 663,495.22 and 109,905.84

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Solution

The fourth proportional to 442,329.84, 663,495.22 and 109,905.84 is: 164,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,329.84 : 663,495.22 = 109,905.84 : x
  2. Step 2: Convert to fraction form
    442,329.84/663,495.22 = 109,905.84/x
  3. Step 3: Cross multiply
    442,329.84x = 663,495.22 × 109,905.84
  4. Step 4: Simplify right side
    442,329.84x = 72,921,999,490.08
  5. Step 5: Solve for x
    x = 72,921,999,490.08/442,329.84
  6. Step 6: Final answer
    x = 164,858.87

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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.