Home / 125,540.04-173,203.56-74,568.36

Finding the Fourth Proportional to 125,540.04, 173,203.56 and 74,568.36

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Solution

The fourth proportional to 125,540.04, 173,203.56 and 74,568.36 is: 102,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,540.04 : 173,203.56 = 74,568.36 : x
  2. Step 2: Convert to fraction form
    125,540.04/173,203.56 = 74,568.36/x
  3. Step 3: Cross multiply
    125,540.04x = 173,203.56 × 74,568.36
  4. Step 4: Simplify right side
    125,540.04x = 12,915,505,415.36
  5. Step 5: Solve for x
    x = 12,915,505,415.36/125,540.04
  6. Step 6: Final answer
    x = 102,879.57

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1.5x scale

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.