Home / 198,582.17-297,779.67-72,133.27

Finding the Fourth Proportional to 198,582.17, 297,779.67 and 72,133.27

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Solution

The fourth proportional to 198,582.17, 297,779.67 and 72,133.27 is: 108,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,582.17 : 297,779.67 = 72,133.27 : x
  2. Step 2: Convert to fraction form
    198,582.17/297,779.67 = 72,133.27/x
  3. Step 3: Cross multiply
    198,582.17x = 297,779.67 × 72,133.27
  4. Step 4: Simplify right side
    198,582.17x = 21,479,821,336.62
  5. Step 5: Solve for x
    x = 21,479,821,336.62/198,582.17
  6. Step 6: Final answer
    x = 108,165.91

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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.