Home / 346,223.60-519,021.90-135,805.04

Finding the Fourth Proportional to 346,223.60, 519,021.90 and 135,805.04

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Solution

The fourth proportional to 346,223.60, 519,021.90 and 135,805.04 is: 203,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,223.60 : 519,021.90 = 135,805.04 : x
  2. Step 2: Convert to fraction form
    346,223.60/519,021.90 = 135,805.04/x
  3. Step 3: Cross multiply
    346,223.60x = 519,021.90 × 135,805.04
  4. Step 4: Simplify right side
    346,223.60x = 70,485,789,890.38
  5. Step 5: Solve for x
    x = 70,485,789,890.38/346,223.60
  6. Step 6: Final answer
    x = 203,584.59

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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.