Home / 190,286.77-262,716.79-118,771.87

Finding the Fourth Proportional to 190,286.77, 262,716.79 and 118,771.87

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Solution

The fourth proportional to 190,286.77, 262,716.79 and 118,771.87 is: 163,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,286.77 : 262,716.79 = 118,771.87 : x
  2. Step 2: Convert to fraction form
    190,286.77/262,716.79 = 118,771.87/x
  3. Step 3: Cross multiply
    190,286.77x = 262,716.79 × 118,771.87
  4. Step 4: Simplify right side
    190,286.77x = 31,203,364,524.31
  5. Step 5: Solve for x
    x = 31,203,364,524.31/190,286.77
  6. Step 6: Final answer
    x = 163,980.74

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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.