Home / 229,723.03-317,021.52-126,361.30

Finding the Fourth Proportional to 229,723.03, 317,021.52 and 126,361.30

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Solution

The fourth proportional to 229,723.03, 317,021.52 and 126,361.30 is: 174,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,723.03 : 317,021.52 = 126,361.30 : x
  2. Step 2: Convert to fraction form
    229,723.03/317,021.52 = 126,361.30/x
  3. Step 3: Cross multiply
    229,723.03x = 317,021.52 × 126,361.30
  4. Step 4: Simplify right side
    229,723.03x = 40,059,251,395.18
  5. Step 5: Solve for x
    x = 40,059,251,395.18/229,723.03
  6. Step 6: Final answer
    x = 174,380.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.