Home / 135,282.96-186,765.03-101,279.22

Finding the Fourth Proportional to 135,282.96, 186,765.03 and 101,279.22

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Solution

The fourth proportional to 135,282.96, 186,765.03 and 101,279.22 is: 139,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,282.96 : 186,765.03 = 101,279.22 : x
  2. Step 2: Convert to fraction form
    135,282.96/186,765.03 = 101,279.22/x
  3. Step 3: Cross multiply
    135,282.96x = 186,765.03 × 101,279.22
  4. Step 4: Simplify right side
    135,282.96x = 18,915,416,561.68
  5. Step 5: Solve for x
    x = 18,915,416,561.68/135,282.96
  6. Step 6: Final answer
    x = 139,821.13

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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.