Home / 136,065.24-187,623.54-85,059.36

Finding the Fourth Proportional to 136,065.24, 187,623.54 and 85,059.36

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Solution

The fourth proportional to 136,065.24, 187,623.54 and 85,059.36 is: 117,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,065.24 : 187,623.54 = 85,059.36 : x
  2. Step 2: Convert to fraction form
    136,065.24/187,623.54 = 85,059.36/x
  3. Step 3: Cross multiply
    136,065.24x = 187,623.54 × 85,059.36
  4. Step 4: Simplify right side
    136,065.24x = 15,959,138,233.33
  5. Step 5: Solve for x
    x = 15,959,138,233.33/136,065.24
  6. Step 6: Final answer
    x = 117,290.34

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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.