Home / 209,677.41-314,439.57-76,518.27

Finding the Fourth Proportional to 209,677.41, 314,439.57 and 76,518.27

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Solution

The fourth proportional to 209,677.41, 314,439.57 and 76,518.27 is: 114,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,677.41 : 314,439.57 = 76,518.27 : x
  2. Step 2: Convert to fraction form
    209,677.41/314,439.57 = 76,518.27/x
  3. Step 3: Cross multiply
    209,677.41x = 314,439.57 × 76,518.27
  4. Step 4: Simplify right side
    209,677.41x = 24,060,371,915.94
  5. Step 5: Solve for x
    x = 24,060,371,915.94/209,677.41
  6. Step 6: Final answer
    x = 114,749.47

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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.