Home / 219,026.70-328,649.40-124,329.60

Finding the Fourth Proportional to 219,026.70, 328,649.40 and 124,329.60

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Solution

The fourth proportional to 219,026.70, 328,649.40 and 124,329.60 is: 186,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,026.70 : 328,649.40 = 124,329.60 : x
  2. Step 2: Convert to fraction form
    219,026.70/328,649.40 = 124,329.60/x
  3. Step 3: Cross multiply
    219,026.70x = 328,649.40 × 124,329.60
  4. Step 4: Simplify right side
    219,026.70x = 40,860,848,442.24
  5. Step 5: Solve for x
    x = 40,860,848,442.24/219,026.70
  6. Step 6: Final answer
    x = 186,556.47

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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.