Home / 132,529.98-198,788.49-49,417.50

Finding the Fourth Proportional to 132,529.98, 198,788.49 and 49,417.50

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Solution

The fourth proportional to 132,529.98, 198,788.49 and 49,417.50 is: 74,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,529.98 : 198,788.49 = 49,417.50 : x
  2. Step 2: Convert to fraction form
    132,529.98/198,788.49 = 49,417.50/x
  3. Step 3: Cross multiply
    132,529.98x = 198,788.49 × 49,417.50
  4. Step 4: Simplify right side
    132,529.98x = 9,823,630,204.58
  5. Step 5: Solve for x
    x = 9,823,630,204.58/132,529.98
  6. Step 6: Final answer
    x = 74,123.83

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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.