Home / 166,742.75-250,038.52-71,928.20

Finding the Fourth Proportional to 166,742.75, 250,038.52 and 71,928.20

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Solution

The fourth proportional to 166,742.75, 250,038.52 and 71,928.20 is: 107,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,742.75 : 250,038.52 = 71,928.20 : x
  2. Step 2: Convert to fraction form
    166,742.75/250,038.52 = 71,928.20/x
  3. Step 3: Cross multiply
    166,742.75x = 250,038.52 × 71,928.20
  4. Step 4: Simplify right side
    166,742.75x = 17,984,820,674.26
  5. Step 5: Solve for x
    x = 17,984,820,674.26/166,742.75
  6. Step 6: Final answer
    x = 107,859.69

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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.