Home / 132,518.70-198,715.68-39,005.82

Finding the Fourth Proportional to 132,518.70, 198,715.68 and 39,005.82

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Solution

The fourth proportional to 132,518.70, 198,715.68 and 39,005.82 is: 58,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,518.70 : 198,715.68 = 39,005.82 : x
  2. Step 2: Convert to fraction form
    132,518.70/198,715.68 = 39,005.82/x
  3. Step 3: Cross multiply
    132,518.70x = 198,715.68 × 39,005.82
  4. Step 4: Simplify right side
    132,518.70x = 7,751,068,045.26
  5. Step 5: Solve for x
    x = 7,751,068,045.26/132,518.70
  6. Step 6: Final answer
    x = 58,490.37

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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.