Home / 130,769.51-196,128.41-35,975.23

Finding the Fourth Proportional to 130,769.51, 196,128.41 and 35,975.23

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Solution

The fourth proportional to 130,769.51, 196,128.41 and 35,975.23 is: 53,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,769.51 : 196,128.41 = 35,975.23 : x
  2. Step 2: Convert to fraction form
    130,769.51/196,128.41 = 35,975.23/x
  3. Step 3: Cross multiply
    130,769.51x = 196,128.41 × 35,975.23
  4. Step 4: Simplify right side
    130,769.51x = 7,055,763,989.09
  5. Step 5: Solve for x
    x = 7,055,763,989.09/130,769.51
  6. Step 6: Final answer
    x = 53,955.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.