Home / 208,570.28-312,948.46-96,190.18

Finding the Fourth Proportional to 208,570.28, 312,948.46 and 96,190.18

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Solution

The fourth proportional to 208,570.28, 312,948.46 and 96,190.18 is: 144,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,570.28 : 312,948.46 = 96,190.18 : x
  2. Step 2: Convert to fraction form
    208,570.28/312,948.46 = 96,190.18/x
  3. Step 3: Cross multiply
    208,570.28x = 312,948.46 × 96,190.18
  4. Step 4: Simplify right side
    208,570.28x = 30,102,568,698.12
  5. Step 5: Solve for x
    x = 30,102,568,698.12/208,570.28
  6. Step 6: Final answer
    x = 144,328.18

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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.