Home / 350,442.90-525,716.19-140,076.18

Finding the Fourth Proportional to 350,442.90, 525,716.19 and 140,076.18

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Solution

The fourth proportional to 350,442.90, 525,716.19 and 140,076.18 is: 210,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,442.90 : 525,716.19 = 140,076.18 : x
  2. Step 2: Convert to fraction form
    350,442.90/525,716.19 = 140,076.18/x
  3. Step 3: Cross multiply
    350,442.90x = 525,716.19 × 140,076.18
  4. Step 4: Simplify right side
    350,442.90x = 73,640,315,659.35
  5. Step 5: Solve for x
    x = 73,640,315,659.35/350,442.90
  6. Step 6: Final answer
    x = 210,134.99

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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.