Home / 126,958.40-190,450.23-47,017.76

Finding the Fourth Proportional to 126,958.40, 190,450.23 and 47,017.76

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Solution

The fourth proportional to 126,958.40, 190,450.23 and 47,017.76 is: 70,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,958.40 : 190,450.23 = 47,017.76 : x
  2. Step 2: Convert to fraction form
    126,958.40/190,450.23 = 47,017.76/x
  3. Step 3: Cross multiply
    126,958.40x = 190,450.23 × 47,017.76
  4. Step 4: Simplify right side
    126,958.40x = 8,954,543,206.08
  5. Step 5: Solve for x
    x = 8,954,543,206.08/126,958.40
  6. Step 6: Final answer
    x = 70,531.32

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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.