Home / 202,090.27-278,886.51-111,449.44

Finding the Fourth Proportional to 202,090.27, 278,886.51 and 111,449.44

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Solution

The fourth proportional to 202,090.27, 278,886.51 and 111,449.44 is: 153,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,090.27 : 278,886.51 = 111,449.44 : x
  2. Step 2: Convert to fraction form
    202,090.27/278,886.51 = 111,449.44/x
  3. Step 3: Cross multiply
    202,090.27x = 278,886.51 × 111,449.44
  4. Step 4: Simplify right side
    202,090.27x = 31,081,744,805.81
  5. Step 5: Solve for x
    x = 31,081,744,805.81/202,090.27
  6. Step 6: Final answer
    x = 153,801.30

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1.5x scale

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.