Home / 190,615.07-286,015.77-134,813.78

Finding the Fourth Proportional to 190,615.07, 286,015.77 and 134,813.78

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Solution

The fourth proportional to 190,615.07, 286,015.77 and 134,813.78 is: 202,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,615.07 : 286,015.77 = 134,813.78 : x
  2. Step 2: Convert to fraction form
    190,615.07/286,015.77 = 134,813.78/x
  3. Step 3: Cross multiply
    190,615.07x = 286,015.77 × 134,813.78
  4. Step 4: Simplify right side
    190,615.07x = 38,558,867,093.31
  5. Step 5: Solve for x
    x = 38,558,867,093.31/190,615.07
  6. Step 6: Final answer
    x = 202,286.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.