Home / 117,429.10-176,175.40-83,737.66

Finding the Fourth Proportional to 117,429.10, 176,175.40 and 83,737.66

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Solution

The fourth proportional to 117,429.10, 176,175.40 and 83,737.66 is: 125,629.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,429.10 : 176,175.40 = 83,737.66 : x
  2. Step 2: Convert to fraction form
    117,429.10/176,175.40 = 83,737.66/x
  3. Step 3: Cross multiply
    117,429.10x = 176,175.40 × 83,737.66
  4. Step 4: Simplify right side
    117,429.10x = 14,752,515,745.56
  5. Step 5: Solve for x
    x = 14,752,515,745.56/117,429.10
  6. Step 6: Final answer
    x = 125,629.13

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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.