Home / 208,783.31-313,119.07-58,988.39

Finding the Fourth Proportional to 208,783.31, 313,119.07 and 58,988.39

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Solution

The fourth proportional to 208,783.31, 313,119.07 and 58,988.39 is: 88,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,783.31 : 313,119.07 = 58,988.39 : x
  2. Step 2: Convert to fraction form
    208,783.31/313,119.07 = 58,988.39/x
  3. Step 3: Cross multiply
    208,783.31x = 313,119.07 × 58,988.39
  4. Step 4: Simplify right side
    208,783.31x = 18,470,389,817.60
  5. Step 5: Solve for x
    x = 18,470,389,817.60/208,783.31
  6. Step 6: Final answer
    x = 88,466.79

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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.