Home / 208,823.60-313,408.20-96,676.40

Finding the Fourth Proportional to 208,823.60, 313,408.20 and 96,676.40

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Solution

The fourth proportional to 208,823.60, 313,408.20 and 96,676.40 is: 145,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,823.60 : 313,408.20 = 96,676.40 : x
  2. Step 2: Convert to fraction form
    208,823.60/313,408.20 = 96,676.40/x
  3. Step 3: Cross multiply
    208,823.60x = 313,408.20 × 96,676.40
  4. Step 4: Simplify right side
    208,823.60x = 30,299,176,506.48
  5. Step 5: Solve for x
    x = 30,299,176,506.48/208,823.60
  6. Step 6: Final answer
    x = 145,094.60

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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.