Home / 190,922.40-286,383.60-179,112.60

Finding the Fourth Proportional to 190,922.40, 286,383.60 and 179,112.60

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Solution

The fourth proportional to 190,922.40, 286,383.60 and 179,112.60 is: 268,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,922.40 : 286,383.60 = 179,112.60 : x
  2. Step 2: Convert to fraction form
    190,922.40/286,383.60 = 179,112.60/x
  3. Step 3: Cross multiply
    190,922.40x = 286,383.60 × 179,112.60
  4. Step 4: Simplify right side
    190,922.40x = 51,294,911,193.36
  5. Step 5: Solve for x
    x = 51,294,911,193.36/190,922.40
  6. Step 6: Final answer
    x = 268,668.90

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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.