Home / 188,243.15-282,399.37-61,890.53

Finding the Fourth Proportional to 188,243.15, 282,399.37 and 61,890.53

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Solution

The fourth proportional to 188,243.15, 282,399.37 and 61,890.53 is: 92,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243.15 : 282,399.37 = 61,890.53 : x
  2. Step 2: Convert to fraction form
    188,243.15/282,399.37 = 61,890.53/x
  3. Step 3: Cross multiply
    188,243.15x = 282,399.37 × 61,890.53
  4. Step 4: Simplify right side
    188,243.15x = 17,477,845,114.24
  5. Step 5: Solve for x
    x = 17,477,845,114.24/188,243.15
  6. Step 6: Final answer
    x = 92,847.18

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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.