Home / 298,320.58-447,466.29-111,317.50

Finding the Fourth Proportional to 298,320.58, 447,466.29 and 111,317.50

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Solution

The fourth proportional to 298,320.58, 447,466.29 and 111,317.50 is: 166,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,320.58 : 447,466.29 = 111,317.50 : x
  2. Step 2: Convert to fraction form
    298,320.58/447,466.29 = 111,317.50/x
  3. Step 3: Cross multiply
    298,320.58x = 447,466.29 × 111,317.50
  4. Step 4: Simplify right side
    298,320.58x = 49,810,828,737.08
  5. Step 5: Solve for x
    x = 49,810,828,737.08/298,320.58
  6. Step 6: Final answer
    x = 166,970.81

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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.