Home / 130,833.06-197,139.83-107,660.31

Finding the Fourth Proportional to 130,833.06, 197,139.83 and 107,660.31

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Solution

The fourth proportional to 130,833.06, 197,139.83 and 107,660.31 is: 162,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,833.06 : 197,139.83 = 107,660.31 : x
  2. Step 2: Convert to fraction form
    130,833.06/197,139.83 = 107,660.31/x
  3. Step 3: Cross multiply
    130,833.06x = 197,139.83 × 107,660.31
  4. Step 4: Simplify right side
    130,833.06x = 21,224,135,596.94
  5. Step 5: Solve for x
    x = 21,224,135,596.94/130,833.06
  6. Step 6: Final answer
    x = 162,223.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.