Home / 130,940.12-196,421.50-36,170.27

Finding the Fourth Proportional to 130,940.12, 196,421.50 and 36,170.27

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Solution

The fourth proportional to 130,940.12, 196,421.50 and 36,170.27 is: 54,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,940.12 : 196,421.50 = 36,170.27 : x
  2. Step 2: Convert to fraction form
    130,940.12/196,421.50 = 36,170.27/x
  3. Step 3: Cross multiply
    130,940.12x = 196,421.50 × 36,170.27
  4. Step 4: Simplify right side
    130,940.12x = 7,104,619,089.43
  5. Step 5: Solve for x
    x = 7,104,619,089.43/130,940.12
  6. Step 6: Final answer
    x = 54,258.53

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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.