Home / 190,531.60-262,945.86-109,962.52

Finding the Fourth Proportional to 190,531.60, 262,945.86 and 109,962.52

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Solution

The fourth proportional to 190,531.60, 262,945.86 and 109,962.52 is: 151,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,531.60 : 262,945.86 = 109,962.52 : x
  2. Step 2: Convert to fraction form
    190,531.60/262,945.86 = 109,962.52/x
  3. Step 3: Cross multiply
    190,531.60x = 262,945.86 × 109,962.52
  4. Step 4: Simplify right side
    190,531.60x = 28,914,189,389.17
  5. Step 5: Solve for x
    x = 28,914,189,389.17/190,531.60
  6. Step 6: Final answer
    x = 151,755.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.