Home / 125,268.37-172,877.42-74,311.27

Finding the Fourth Proportional to 125,268.37, 172,877.42 and 74,311.27

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Solution

The fourth proportional to 125,268.37, 172,877.42 and 74,311.27 is: 102,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,268.37 : 172,877.42 = 74,311.27 : x
  2. Step 2: Convert to fraction form
    125,268.37/172,877.42 = 74,311.27/x
  3. Step 3: Cross multiply
    125,268.37x = 172,877.42 × 74,311.27
  4. Step 4: Simplify right side
    125,268.37x = 12,846,740,634.52
  5. Step 5: Solve for x
    x = 12,846,740,634.52/125,268.37
  6. Step 6: Final answer
    x = 102,553.75

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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.