Home / 152,306.30-228,485.39-76,441.02

Finding the Fourth Proportional to 152,306.30, 228,485.39 and 76,441.02

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Solution

The fourth proportional to 152,306.30, 228,485.39 and 76,441.02 is: 114,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,306.30 : 228,485.39 = 76,441.02 : x
  2. Step 2: Convert to fraction form
    152,306.30/228,485.39 = 76,441.02/x
  3. Step 3: Cross multiply
    152,306.30x = 228,485.39 × 76,441.02
  4. Step 4: Simplify right side
    152,306.30x = 17,465,655,884.49
  5. Step 5: Solve for x
    x = 17,465,655,884.49/152,306.30
  6. Step 6: Final answer
    x = 114,674.54

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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.