Home / 135,270.69-186,733.34-80,842.06

Finding the Fourth Proportional to 135,270.69, 186,733.34 and 80,842.06

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Solution

The fourth proportional to 135,270.69, 186,733.34 and 80,842.06 is: 111,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,270.69 : 186,733.34 = 80,842.06 : x
  2. Step 2: Convert to fraction form
    135,270.69/186,733.34 = 80,842.06/x
  3. Step 3: Cross multiply
    135,270.69x = 186,733.34 × 80,842.06
  4. Step 4: Simplify right side
    135,270.69x = 15,095,907,876.28
  5. Step 5: Solve for x
    x = 15,095,907,876.28/135,270.69
  6. Step 6: Final answer
    x = 111,597.77

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1.5x scale

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.