Home / 152,071.11-228,139.26-45,463.41

Finding the Fourth Proportional to 152,071.11, 228,139.26 and 45,463.41

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Solution

The fourth proportional to 152,071.11, 228,139.26 and 45,463.41 is: 68,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,071.11 : 228,139.26 = 45,463.41 : x
  2. Step 2: Convert to fraction form
    152,071.11/228,139.26 = 45,463.41/x
  3. Step 3: Cross multiply
    152,071.11x = 228,139.26 × 45,463.41
  4. Step 4: Simplify right side
    152,071.11x = 10,371,987,573.78
  5. Step 5: Solve for x
    x = 10,371,987,573.78/152,071.11
  6. Step 6: Final answer
    x = 68,204.85

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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.