Home / 126,956.40-190,447.23-47,015.76

Finding the Fourth Proportional to 126,956.40, 190,447.23 and 47,015.76

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Solution

The fourth proportional to 126,956.40, 190,447.23 and 47,015.76 is: 70,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,956.40 : 190,447.23 = 47,015.76 : x
  2. Step 2: Convert to fraction form
    126,956.40/190,447.23 = 47,015.76/x
  3. Step 3: Cross multiply
    126,956.40x = 190,447.23 × 47,015.76
  4. Step 4: Simplify right side
    126,956.40x = 8,954,021,258.34
  5. Step 5: Solve for x
    x = 8,954,021,258.34/126,956.40
  6. Step 6: Final answer
    x = 70,528.32

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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.