Home / 298,320.34-447,465.92-111,317.26

Finding the Fourth Proportional to 298,320.34, 447,465.92 and 111,317.26

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Solution

The fourth proportional to 298,320.34, 447,465.92 and 111,317.26 is: 166,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,320.34 : 447,465.92 = 111,317.26 : x
  2. Step 2: Convert to fraction form
    298,320.34/447,465.92 = 111,317.26/x
  3. Step 3: Cross multiply
    298,320.34x = 447,465.92 × 111,317.26
  4. Step 4: Simplify right side
    298,320.34x = 49,810,680,157.78
  5. Step 5: Solve for x
    x = 49,810,680,157.78/298,320.34
  6. Step 6: Final answer
    x = 166,970.45

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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.