Home / 186,225.93-256,540.19-138,396.33

Finding the Fourth Proportional to 186,225.93, 256,540.19 and 138,396.33

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Solution

The fourth proportional to 186,225.93, 256,540.19 and 138,396.33 is: 190,651.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,225.93 : 256,540.19 = 138,396.33 : x
  2. Step 2: Convert to fraction form
    186,225.93/256,540.19 = 138,396.33/x
  3. Step 3: Cross multiply
    186,225.93x = 256,540.19 × 138,396.33
  4. Step 4: Simplify right side
    186,225.93x = 35,504,220,101.52
  5. Step 5: Solve for x
    x = 35,504,220,101.52/186,225.93
  6. Step 6: Final answer
    x = 190,651.32

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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.