Home / 126,568.68-190,148.28-74,015.16

Finding the Fourth Proportional to 126,568.68, 190,148.28 and 74,015.16

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Solution

The fourth proportional to 126,568.68, 190,148.28 and 74,015.16 is: 111,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,568.68 : 190,148.28 = 74,015.16 : x
  2. Step 2: Convert to fraction form
    126,568.68/190,148.28 = 74,015.16/x
  3. Step 3: Cross multiply
    126,568.68x = 190,148.28 × 74,015.16
  4. Step 4: Simplify right side
    126,568.68x = 14,073,855,367.92
  5. Step 5: Solve for x
    x = 14,073,855,367.92/126,568.68
  6. Step 6: Final answer
    x = 111,195.40

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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.