Home / 352,563.09-529,054.80-127,941.06

Finding the Fourth Proportional to 352,563.09, 529,054.80 and 127,941.06

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Solution

The fourth proportional to 352,563.09, 529,054.80 and 127,941.06 is: 191,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,563.09 : 529,054.80 = 127,941.06 : x
  2. Step 2: Convert to fraction form
    352,563.09/529,054.80 = 127,941.06/x
  3. Step 3: Cross multiply
    352,563.09x = 529,054.80 × 127,941.06
  4. Step 4: Simplify right side
    352,563.09x = 67,687,831,910.09
  5. Step 5: Solve for x
    x = 67,687,831,910.09/352,563.09
  6. Step 6: Final answer
    x = 191,987.86

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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.