Home / 202,095.22-278,886.78-111,448.60

Finding the Fourth Proportional to 202,095.22, 278,886.78 and 111,448.60

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Solution

The fourth proportional to 202,095.22, 278,886.78 and 111,448.60 is: 153,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,095.22 : 278,886.78 = 111,448.60 : x
  2. Step 2: Convert to fraction form
    202,095.22/278,886.78 = 111,448.60/x
  3. Step 3: Cross multiply
    202,095.22x = 278,886.78 × 111,448.60
  4. Step 4: Simplify right side
    202,095.22x = 31,081,541,189.51
  5. Step 5: Solve for x
    x = 31,081,541,189.51/202,095.22
  6. Step 6: Final answer
    x = 153,796.52

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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.