Home / 131,004.80-196,507.20-116,489.60

Finding the Fourth Proportional to 131,004.80, 196,507.20 and 116,489.60

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Solution

The fourth proportional to 131,004.80, 196,507.20 and 116,489.60 is: 174,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004.80 : 196,507.20 = 116,489.60 : x
  2. Step 2: Convert to fraction form
    131,004.80/196,507.20 = 116,489.60/x
  3. Step 3: Cross multiply
    131,004.80x = 196,507.20 × 116,489.60
  4. Step 4: Simplify right side
    131,004.80x = 22,891,045,125.12
  5. Step 5: Solve for x
    x = 22,891,045,125.12/131,004.80
  6. Step 6: Final answer
    x = 174,734.40

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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.