Home / 208,386.21-312,579.30-96,033.18

Finding the Fourth Proportional to 208,386.21, 312,579.30 and 96,033.18

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Solution

The fourth proportional to 208,386.21, 312,579.30 and 96,033.18 is: 144,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,386.21 : 312,579.30 = 96,033.18 : x
  2. Step 2: Convert to fraction form
    208,386.21/312,579.30 = 96,033.18/x
  3. Step 3: Cross multiply
    208,386.21x = 312,579.30 × 96,033.18
  4. Step 4: Simplify right side
    208,386.21x = 30,017,984,181.17
  5. Step 5: Solve for x
    x = 30,017,984,181.17/208,386.21
  6. Step 6: Final answer
    x = 144,049.76

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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.