Home / 114,163.20-171,244.80-40,281.60

Finding the Fourth Proportional to 114,163.20, 171,244.80 and 40,281.60

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Solution

The fourth proportional to 114,163.20, 171,244.80 and 40,281.60 is: 60,422.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,163.20 : 171,244.80 = 40,281.60 : x
  2. Step 2: Convert to fraction form
    114,163.20/171,244.80 = 40,281.60/x
  3. Step 3: Cross multiply
    114,163.20x = 171,244.80 × 40,281.60
  4. Step 4: Simplify right side
    114,163.20x = 6,898,014,535.68
  5. Step 5: Solve for x
    x = 6,898,014,535.68/114,163.20
  6. Step 6: Final answer
    x = 60,422.40

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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.