Home / 136,440.48-186,924.15-131,326.96

Finding the Fourth Proportional to 136,440.48, 186,924.15 and 131,326.96

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Solution

The fourth proportional to 136,440.48, 186,924.15 and 131,326.96 is: 179,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,440.48 : 186,924.15 = 131,326.96 : x
  2. Step 2: Convert to fraction form
    136,440.48/186,924.15 = 131,326.96/x
  3. Step 3: Cross multiply
    136,440.48x = 186,924.15 × 131,326.96
  4. Step 4: Simplify right side
    136,440.48x = 24,548,180,370.08
  5. Step 5: Solve for x
    x = 24,548,180,370.08/136,440.48
  6. Step 6: Final answer
    x = 179,918.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.