Home / 132,669.46-199,003.74-53,783.50

Finding the Fourth Proportional to 132,669.46, 199,003.74 and 53,783.50

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Solution

The fourth proportional to 132,669.46, 199,003.74 and 53,783.50 is: 80,675.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,669.46 : 199,003.74 = 53,783.50 : x
  2. Step 2: Convert to fraction form
    132,669.46/199,003.74 = 53,783.50/x
  3. Step 3: Cross multiply
    132,669.46x = 199,003.74 × 53,783.50
  4. Step 4: Simplify right side
    132,669.46x = 10,703,117,650.29
  5. Step 5: Solve for x
    x = 10,703,117,650.29/132,669.46
  6. Step 6: Final answer
    x = 80,675.07

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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.