Home / 136,266.36-188,003.82-82,534.20

Finding the Fourth Proportional to 136,266.36, 188,003.82 and 82,534.20

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Solution

The fourth proportional to 136,266.36, 188,003.82 and 82,534.20 is: 113,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.36 : 188,003.82 = 82,534.20 : x
  2. Step 2: Convert to fraction form
    136,266.36/188,003.82 = 82,534.20/x
  3. Step 3: Cross multiply
    136,266.36x = 188,003.82 × 82,534.20
  4. Step 4: Simplify right side
    136,266.36x = 15,516,744,880.64
  5. Step 5: Solve for x
    x = 15,516,744,880.64/136,266.36
  6. Step 6: Final answer
    x = 113,870.69

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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.