Home / 132,896.16-183,396.96-85,149.72

Finding the Fourth Proportional to 132,896.16, 183,396.96 and 85,149.72

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Solution

The fourth proportional to 132,896.16, 183,396.96 and 85,149.72 is: 117,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,896.16 : 183,396.96 = 85,149.72 : x
  2. Step 2: Convert to fraction form
    132,896.16/183,396.96 = 85,149.72/x
  3. Step 3: Cross multiply
    132,896.16x = 183,396.96 × 85,149.72
  4. Step 4: Simplify right side
    132,896.16x = 15,616,199,792.85
  5. Step 5: Solve for x
    x = 15,616,199,792.85/132,896.16
  6. Step 6: Final answer
    x = 117,506.78

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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.