Home / 114,825.20-172,237.80-106,530.80

Finding the Fourth Proportional to 114,825.20, 172,237.80 and 106,530.80

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Solution

The fourth proportional to 114,825.20, 172,237.80 and 106,530.80 is: 159,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,825.20 : 172,237.80 = 106,530.80 : x
  2. Step 2: Convert to fraction form
    114,825.20/172,237.80 = 106,530.80/x
  3. Step 3: Cross multiply
    114,825.20x = 172,237.80 × 106,530.80
  4. Step 4: Simplify right side
    114,825.20x = 18,348,630,624.24
  5. Step 5: Solve for x
    x = 18,348,630,624.24/114,825.20
  6. Step 6: Final answer
    x = 159,796.20

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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.