Home / 188,838.16-260,588.52-102,797.28

Finding the Fourth Proportional to 188,838.16, 260,588.52 and 102,797.28

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Solution

The fourth proportional to 188,838.16, 260,588.52 and 102,797.28 is: 141,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,838.16 : 260,588.52 = 102,797.28 : x
  2. Step 2: Convert to fraction form
    188,838.16/260,588.52 = 102,797.28/x
  3. Step 3: Cross multiply
    188,838.16x = 260,588.52 × 102,797.28
  4. Step 4: Simplify right side
    188,838.16x = 26,787,791,055.23
  5. Step 5: Solve for x
    x = 26,787,791,055.23/188,838.16
  6. Step 6: Final answer
    x = 141,855.81

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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.