Home / 113,280.78-156,331.49-62,297.39

Finding the Fourth Proportional to 113,280.78, 156,331.49 and 62,297.39

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Solution

The fourth proportional to 113,280.78, 156,331.49 and 62,297.39 is: 85,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,280.78 : 156,331.49 = 62,297.39 : x
  2. Step 2: Convert to fraction form
    113,280.78/156,331.49 = 62,297.39/x
  3. Step 3: Cross multiply
    113,280.78x = 156,331.49 × 62,297.39
  4. Step 4: Simplify right side
    113,280.78x = 9,739,043,495.19
  5. Step 5: Solve for x
    x = 9,739,043,495.19/113,280.78
  6. Step 6: Final answer
    x = 85,972.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.