Home / 152,013.21-228,069-73,117.14

Finding the Fourth Proportional to 152,013.21, 228,069 and 73,117.14

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Solution

The fourth proportional to 152,013.21, 228,069 and 73,117.14 is: 109,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,013.21 : 228,069 = 73,117.14 : x
  2. Step 2: Convert to fraction form
    152,013.21/228,069 = 73,117.14/x
  3. Step 3: Cross multiply
    152,013.21x = 228,069 × 73,117.14
  4. Step 4: Simplify right side
    152,013.21x = 16,675,753,002.66
  5. Step 5: Solve for x
    x = 16,675,753,002.66/152,013.21
  6. Step 6: Final answer
    x = 109,699.37

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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.