Home / 152,171.40-228,257.10-73,266.60

Finding the Fourth Proportional to 152,171.40, 228,257.10 and 73,266.60

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Solution

The fourth proportional to 152,171.40, 228,257.10 and 73,266.60 is: 109,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,171.40 : 228,257.10 = 73,266.60 : x
  2. Step 2: Convert to fraction form
    152,171.40/228,257.10 = 73,266.60/x
  3. Step 3: Cross multiply
    152,171.40x = 228,257.10 × 73,266.60
  4. Step 4: Simplify right side
    152,171.40x = 16,723,621,642.86
  5. Step 5: Solve for x
    x = 16,723,621,642.86/152,171.40
  6. Step 6: Final answer
    x = 109,899.90

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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.