Home / 111,890.95-168,448.91-102,093.19

Finding the Fourth Proportional to 111,890.95, 168,448.91 and 102,093.19

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Solution

The fourth proportional to 111,890.95, 168,448.91 and 102,093.19 is: 153,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,890.95 : 168,448.91 = 102,093.19 : x
  2. Step 2: Convert to fraction form
    111,890.95/168,448.91 = 102,093.19/x
  3. Step 3: Cross multiply
    111,890.95x = 168,448.91 × 102,093.19
  4. Step 4: Simplify right side
    111,890.95x = 17,197,486,573.92
  5. Step 5: Solve for x
    x = 17,197,486,573.92/111,890.95
  6. Step 6: Final answer
    x = 153,698.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.