Home / 136,486.08-188,366.04-76,062.24

Finding the Fourth Proportional to 136,486.08, 188,366.04 and 76,062.24

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Solution

The fourth proportional to 136,486.08, 188,366.04 and 76,062.24 is: 104,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,486.08 : 188,366.04 = 76,062.24 : x
  2. Step 2: Convert to fraction form
    136,486.08/188,366.04 = 76,062.24/x
  3. Step 3: Cross multiply
    136,486.08x = 188,366.04 × 76,062.24
  4. Step 4: Simplify right side
    136,486.08x = 14,327,542,942.33
  5. Step 5: Solve for x
    x = 14,327,542,942.33/136,486.08
  6. Step 6: Final answer
    x = 104,974.39

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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.