Home / 125,270.37-172,880.18-74,313.27

Finding the Fourth Proportional to 125,270.37, 172,880.18 and 74,313.27

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Solution

The fourth proportional to 125,270.37, 172,880.18 and 74,313.27 is: 102,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,270.37 : 172,880.18 = 74,313.27 : x
  2. Step 2: Convert to fraction form
    125,270.37/172,880.18 = 74,313.27/x
  3. Step 3: Cross multiply
    125,270.37x = 172,880.18 × 74,313.27
  4. Step 4: Simplify right side
    125,270.37x = 12,847,291,493.99
  5. Step 5: Solve for x
    x = 12,847,291,493.99/125,270.37
  6. Step 6: Final answer
    x = 102,556.51

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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.