Home / 114,315.12-171,735.48-80,658.60

Finding the Fourth Proportional to 114,315.12, 171,735.48 and 80,658.60

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Solution

The fourth proportional to 114,315.12, 171,735.48 and 80,658.60 is: 121,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,315.12 : 171,735.48 = 80,658.60 : x
  2. Step 2: Convert to fraction form
    114,315.12/171,735.48 = 80,658.60/x
  3. Step 3: Cross multiply
    114,315.12x = 171,735.48 × 80,658.60
  4. Step 4: Simplify right side
    114,315.12x = 13,851,943,387.13
  5. Step 5: Solve for x
    x = 13,851,943,387.13/114,315.12
  6. Step 6: Final answer
    x = 121,173.33

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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.