Home / 236,327.32-354,387.30-86,528.80

Finding the Fourth Proportional to 236,327.32, 354,387.30 and 86,528.80

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Solution

The fourth proportional to 236,327.32, 354,387.30 and 86,528.80 is: 129,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,327.32 : 354,387.30 = 86,528.80 : x
  2. Step 2: Convert to fraction form
    236,327.32/354,387.30 = 86,528.80/x
  3. Step 3: Cross multiply
    236,327.32x = 354,387.30 × 86,528.80
  4. Step 4: Simplify right side
    236,327.32x = 30,664,707,804.24
  5. Step 5: Solve for x
    x = 30,664,707,804.24/236,327.32
  6. Step 6: Final answer
    x = 129,755.24

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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.