Home / 130,660.80-196,106.40-111,998.40

Finding the Fourth Proportional to 130,660.80, 196,106.40 and 111,998.40

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Solution

The fourth proportional to 130,660.80, 196,106.40 and 111,998.40 is: 168,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,660.80 : 196,106.40 = 111,998.40 : x
  2. Step 2: Convert to fraction form
    130,660.80/196,106.40 = 111,998.40/x
  3. Step 3: Cross multiply
    130,660.80x = 196,106.40 × 111,998.40
  4. Step 4: Simplify right side
    130,660.80x = 21,963,603,029.76
  5. Step 5: Solve for x
    x = 21,963,603,029.76/130,660.80
  6. Step 6: Final answer
    x = 168,096.35

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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.