Home / 125,568.23-188,111.77-121,347.32

Finding the Fourth Proportional to 125,568.23, 188,111.77 and 121,347.32

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Solution

The fourth proportional to 125,568.23, 188,111.77 and 121,347.32 is: 181,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,568.23 : 188,111.77 = 121,347.32 : x
  2. Step 2: Convert to fraction form
    125,568.23/188,111.77 = 121,347.32/x
  3. Step 3: Cross multiply
    125,568.23x = 188,111.77 × 121,347.32
  4. Step 4: Simplify right side
    125,568.23x = 22,826,857,906.03
  5. Step 5: Solve for x
    x = 22,826,857,906.03/125,568.23
  6. Step 6: Final answer
    x = 181,788.49

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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.