Home / 114,120.74-171,209.12-80,452.55

Finding the Fourth Proportional to 114,120.74, 171,209.12 and 80,452.55

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Solution

The fourth proportional to 114,120.74, 171,209.12 and 80,452.55 is: 120,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,120.74 : 171,209.12 = 80,452.55 : x
  2. Step 2: Convert to fraction form
    114,120.74/171,209.12 = 80,452.55/x
  3. Step 3: Cross multiply
    114,120.74x = 171,209.12 × 80,452.55
  4. Step 4: Simplify right side
    114,120.74x = 13,774,210,287.26
  5. Step 5: Solve for x
    x = 13,774,210,287.26/114,120.74
  6. Step 6: Final answer
    x = 120,698.57

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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.