Home / 346,022.76-519,109.36-106,137.60

Finding the Fourth Proportional to 346,022.76, 519,109.36 and 106,137.60

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Solution

The fourth proportional to 346,022.76, 519,109.36 and 106,137.60 is: 159,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,022.76 : 519,109.36 = 106,137.60 : x
  2. Step 2: Convert to fraction form
    346,022.76/519,109.36 = 106,137.60/x
  3. Step 3: Cross multiply
    346,022.76x = 519,109.36 × 106,137.60
  4. Step 4: Simplify right side
    346,022.76x = 55,097,021,607.94
  5. Step 5: Solve for x
    x = 55,097,021,607.94/346,022.76
  6. Step 6: Final answer
    x = 159,229.47

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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.