Home / 228,191.13-342,140.90-109,626.57

Finding the Fourth Proportional to 228,191.13, 342,140.90 and 109,626.57

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Solution

The fourth proportional to 228,191.13, 342,140.90 and 109,626.57 is: 164,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,191.13 : 342,140.90 = 109,626.57 : x
  2. Step 2: Convert to fraction form
    228,191.13/342,140.90 = 109,626.57/x
  3. Step 3: Cross multiply
    228,191.13x = 342,140.90 × 109,626.57
  4. Step 4: Simplify right side
    228,191.13x = 37,507,732,775.58
  5. Step 5: Solve for x
    x = 37,507,732,775.58/228,191.13
  6. Step 6: Final answer
    x = 164,369.81

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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.