Home / 152,272.21-228,543.99-72,408.64

Finding the Fourth Proportional to 152,272.21, 228,543.99 and 72,408.64

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Solution

The fourth proportional to 152,272.21, 228,543.99 and 72,408.64 is: 108,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,272.21 : 228,543.99 = 72,408.64 : x
  2. Step 2: Convert to fraction form
    152,272.21/228,543.99 = 72,408.64/x
  3. Step 3: Cross multiply
    152,272.21x = 228,543.99 × 72,408.64
  4. Step 4: Simplify right side
    152,272.21x = 16,548,559,496.07
  5. Step 5: Solve for x
    x = 16,548,559,496.07/152,272.21
  6. Step 6: Final answer
    x = 108,677.48

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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.