Home / 134,107.96-185,091.42-76,749.64

Finding the Fourth Proportional to 134,107.96, 185,091.42 and 76,749.64

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Solution

The fourth proportional to 134,107.96, 185,091.42 and 76,749.64 is: 105,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,107.96 : 185,091.42 = 76,749.64 : x
  2. Step 2: Convert to fraction form
    134,107.96/185,091.42 = 76,749.64/x
  3. Step 3: Cross multiply
    134,107.96x = 185,091.42 × 76,749.64
  4. Step 4: Simplify right side
    134,107.96x = 14,205,699,852.09
  5. Step 5: Solve for x
    x = 14,205,699,852.09/134,107.96
  6. Step 6: Final answer
    x = 105,927.34

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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.