Home / 208,812.09-313,252.05-64,684.25

Finding the Fourth Proportional to 208,812.09, 313,252.05 and 64,684.25

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Solution

The fourth proportional to 208,812.09, 313,252.05 and 64,684.25 is: 97,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,812.09 : 313,252.05 = 64,684.25 : x
  2. Step 2: Convert to fraction form
    208,812.09/313,252.05 = 64,684.25/x
  3. Step 3: Cross multiply
    208,812.09x = 313,252.05 × 64,684.25
  4. Step 4: Simplify right side
    208,812.09x = 20,262,473,766.21
  5. Step 5: Solve for x
    x = 20,262,473,766.21/208,812.09
  6. Step 6: Final answer
    x = 97,036.88

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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.