Home / 208,822.50-288,175.26-113,329.20

Finding the Fourth Proportional to 208,822.50, 288,175.26 and 113,329.20

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Solution

The fourth proportional to 208,822.50, 288,175.26 and 113,329.20 is: 156,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,822.50 : 288,175.26 = 113,329.20 : x
  2. Step 2: Convert to fraction form
    208,822.50/288,175.26 = 113,329.20/x
  3. Step 3: Cross multiply
    208,822.50x = 288,175.26 × 113,329.20
  4. Step 4: Simplify right side
    208,822.50x = 32,658,671,675.59
  5. Step 5: Solve for x
    x = 32,658,671,675.59/208,822.50
  6. Step 6: Final answer
    x = 156,394.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.