Home / 346,076.76-519,112.08-109,419.60

Finding the Fourth Proportional to 346,076.76, 519,112.08 and 109,419.60

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Solution

The fourth proportional to 346,076.76, 519,112.08 and 109,419.60 is: 164,128.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,076.76 : 519,112.08 = 109,419.60 : x
  2. Step 2: Convert to fraction form
    346,076.76/519,112.08 = 109,419.60/x
  3. Step 3: Cross multiply
    346,076.76x = 519,112.08 × 109,419.60
  4. Step 4: Simplify right side
    346,076.76x = 56,801,036,148.77
  5. Step 5: Solve for x
    x = 56,801,036,148.77/346,076.76
  6. Step 6: Final answer
    x = 164,128.43

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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.