Home / 202,094.40-278,891.64-111,453.60

Finding the Fourth Proportional to 202,094.40, 278,891.64 and 111,453.60

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Solution

The fourth proportional to 202,094.40, 278,891.64 and 111,453.60 is: 153,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,094.40 : 278,891.64 = 111,453.60 : x
  2. Step 2: Convert to fraction form
    202,094.40/278,891.64 = 111,453.60/x
  3. Step 3: Cross multiply
    202,094.40x = 278,891.64 × 111,453.60
  4. Step 4: Simplify right side
    202,094.40x = 31,083,477,287.90
  5. Step 5: Solve for x
    x = 31,083,477,287.90/202,094.40
  6. Step 6: Final answer
    x = 153,806.72

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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.