Home / 192,146.96-265,086.60-128,383.76

Finding the Fourth Proportional to 192,146.96, 265,086.60 and 128,383.76

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Solution

The fourth proportional to 192,146.96, 265,086.60 and 128,383.76 is: 177,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,146.96 : 265,086.60 = 128,383.76 : x
  2. Step 2: Convert to fraction form
    192,146.96/265,086.60 = 128,383.76/x
  3. Step 3: Cross multiply
    192,146.96x = 265,086.60 × 128,383.76
  4. Step 4: Simplify right side
    192,146.96x = 34,032,814,433.62
  5. Step 5: Solve for x
    x = 34,032,814,433.62/192,146.96
  6. Step 6: Final answer
    x = 177,118.67

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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.