Home / 286,826.27-430,223.00-109,351.22

Finding the Fourth Proportional to 286,826.27, 430,223.00 and 109,351.22

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Solution

The fourth proportional to 286,826.27, 430,223.00 and 109,351.22 is: 164,020.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,826.27 : 430,223.00 = 109,351.22 : x
  2. Step 2: Convert to fraction form
    286,826.27/430,223.00 = 109,351.22/x
  3. Step 3: Cross multiply
    286,826.27x = 430,223.00 × 109,351.22
  4. Step 4: Simplify right side
    286,826.27x = 47,045,407,224.19
  5. Step 5: Solve for x
    x = 47,045,407,224.19/286,826.27
  6. Step 6: Final answer
    x = 164,020.57

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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.