Home / 188,289.09-282,435.93-55,172.04

Finding the Fourth Proportional to 188,289.09, 282,435.93 and 55,172.04

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Solution

The fourth proportional to 188,289.09, 282,435.93 and 55,172.04 is: 82,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,289.09 : 282,435.93 = 55,172.04 : x
  2. Step 2: Convert to fraction form
    188,289.09/282,435.93 = 55,172.04/x
  3. Step 3: Cross multiply
    188,289.09x = 282,435.93 × 55,172.04
  4. Step 4: Simplify right side
    188,289.09x = 15,582,566,427.40
  5. Step 5: Solve for x
    x = 15,582,566,427.40/188,289.09
  6. Step 6: Final answer
    x = 82,758.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.