Home / 117,522.36-162,155.52-69,791.76

Finding the Fourth Proportional to 117,522.36, 162,155.52 and 69,791.76

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Solution

The fourth proportional to 117,522.36, 162,155.52 and 69,791.76 is: 96,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,522.36 : 162,155.52 = 69,791.76 : x
  2. Step 2: Convert to fraction form
    117,522.36/162,155.52 = 69,791.76/x
  3. Step 3: Cross multiply
    117,522.36x = 162,155.52 × 69,791.76
  4. Step 4: Simplify right side
    117,522.36x = 11,317,119,134.52
  5. Step 5: Solve for x
    x = 11,317,119,134.52/117,522.36
  6. Step 6: Final answer
    x = 96,297.58

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1.5x scale

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.