Home / 201,571.22-278,170.37-115,528.34

Finding the Fourth Proportional to 201,571.22, 278,170.37 and 115,528.34

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Solution

The fourth proportional to 201,571.22, 278,170.37 and 115,528.34 is: 159,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,571.22 : 278,170.37 = 115,528.34 : x
  2. Step 2: Convert to fraction form
    201,571.22/278,170.37 = 115,528.34/x
  3. Step 3: Cross multiply
    201,571.22x = 278,170.37 × 115,528.34
  4. Step 4: Simplify right side
    201,571.22x = 32,136,561,083.29
  5. Step 5: Solve for x
    x = 32,136,561,083.29/201,571.22
  6. Step 6: Final answer
    x = 159,430.30

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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.