Home / 125,564.54-173,280.24-68,975.90

Finding the Fourth Proportional to 125,564.54, 173,280.24 and 68,975.90

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Solution

The fourth proportional to 125,564.54, 173,280.24 and 68,975.90 is: 95,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,564.54 : 173,280.24 = 68,975.90 : x
  2. Step 2: Convert to fraction form
    125,564.54/173,280.24 = 68,975.90/x
  3. Step 3: Cross multiply
    125,564.54x = 173,280.24 × 68,975.90
  4. Step 4: Simplify right side
    125,564.54x = 11,952,160,506.22
  5. Step 5: Solve for x
    x = 11,952,160,506.22/125,564.54
  6. Step 6: Final answer
    x = 95,187.39

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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.