Home / 139,197.96-192,175.68-91,533.51

Finding the Fourth Proportional to 139,197.96, 192,175.68 and 91,533.51

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Solution

The fourth proportional to 139,197.96, 192,175.68 and 91,533.51 is: 126,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,197.96 : 192,175.68 = 91,533.51 : x
  2. Step 2: Convert to fraction form
    139,197.96/192,175.68 = 91,533.51/x
  3. Step 3: Cross multiply
    139,197.96x = 192,175.68 × 91,533.51
  4. Step 4: Simplify right side
    139,197.96x = 17,590,514,527.04
  5. Step 5: Solve for x
    x = 17,590,514,527.04/139,197.96
  6. Step 6: Final answer
    x = 126,370.49

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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.