Home / 345,352.06-476,619.96-202,103.56

Finding the Fourth Proportional to 345,352.06, 476,619.96 and 202,103.56

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Solution

The fourth proportional to 345,352.06, 476,619.96 and 202,103.56 is: 278,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,352.06 : 476,619.96 = 202,103.56 : x
  2. Step 2: Convert to fraction form
    345,352.06/476,619.96 = 202,103.56/x
  3. Step 3: Cross multiply
    345,352.06x = 476,619.96 × 202,103.56
  4. Step 4: Simplify right side
    345,352.06x = 96,326,590,683.06
  5. Step 5: Solve for x
    x = 96,326,590,683.06/345,352.06
  6. Step 6: Final answer
    x = 278,922.88

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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.