Home / 117,436.66-162,182.73-109,913.38

Finding the Fourth Proportional to 117,436.66, 162,182.73 and 109,913.38

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Solution

The fourth proportional to 117,436.66, 162,182.73 and 109,913.38 is: 151,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,436.66 : 162,182.73 = 109,913.38 : x
  2. Step 2: Convert to fraction form
    117,436.66/162,182.73 = 109,913.38/x
  3. Step 3: Cross multiply
    117,436.66x = 162,182.73 × 109,913.38
  4. Step 4: Simplify right side
    117,436.66x = 17,826,052,031.93
  5. Step 5: Solve for x
    x = 17,826,052,031.93/117,436.66
  6. Step 6: Final answer
    x = 151,792.91

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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.