Home / 136,573.03-188,455.57-82,871.11

Finding the Fourth Proportional to 136,573.03, 188,455.57 and 82,871.11

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Solution

The fourth proportional to 136,573.03, 188,455.57 and 82,871.11 is: 114,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,573.03 : 188,455.57 = 82,871.11 : x
  2. Step 2: Convert to fraction form
    136,573.03/188,455.57 = 82,871.11/x
  3. Step 3: Cross multiply
    136,573.03x = 188,455.57 × 82,871.11
  4. Step 4: Simplify right side
    136,573.03x = 15,617,522,271.58
  5. Step 5: Solve for x
    x = 15,617,522,271.58/136,573.03
  6. Step 6: Final answer
    x = 114,352.90

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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.