Home / 132,977.70-199,466.55-54,051.30

Finding the Fourth Proportional to 132,977.70, 199,466.55 and 54,051.30

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Solution

The fourth proportional to 132,977.70, 199,466.55 and 54,051.30 is: 81,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,977.70 : 199,466.55 = 54,051.30 : x
  2. Step 2: Convert to fraction form
    132,977.70/199,466.55 = 54,051.30/x
  3. Step 3: Cross multiply
    132,977.70x = 199,466.55 × 54,051.30
  4. Step 4: Simplify right side
    132,977.70x = 10,781,426,334.02
  5. Step 5: Solve for x
    x = 10,781,426,334.02/132,977.70
  6. Step 6: Final answer
    x = 81,076.95

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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.