Home / 136,370.16-188,093.88-91,025.28

Finding the Fourth Proportional to 136,370.16, 188,093.88 and 91,025.28

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Solution

The fourth proportional to 136,370.16, 188,093.88 and 91,025.28 is: 125,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370.16 : 188,093.88 = 91,025.28 : x
  2. Step 2: Convert to fraction form
    136,370.16/188,093.88 = 91,025.28/x
  3. Step 3: Cross multiply
    136,370.16x = 188,093.88 × 91,025.28
  4. Step 4: Simplify right side
    136,370.16x = 17,121,298,093.29
  5. Step 5: Solve for x
    x = 17,121,298,093.29/136,370.16
  6. Step 6: Final answer
    x = 125,550.18

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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.