Home / 191,916.36-264,758.97-111,297.21

Finding the Fourth Proportional to 191,916.36, 264,758.97 and 111,297.21

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Solution

The fourth proportional to 191,916.36, 264,758.97 and 111,297.21 is: 153,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,916.36 : 264,758.97 = 111,297.21 : x
  2. Step 2: Convert to fraction form
    191,916.36/264,758.97 = 111,297.21/x
  3. Step 3: Cross multiply
    191,916.36x = 264,758.97 × 111,297.21
  4. Step 4: Simplify right side
    191,916.36x = 29,466,934,683.47
  5. Step 5: Solve for x
    x = 29,466,934,683.47/191,916.36
  6. Step 6: Final answer
    x = 153,540.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.