Home / 135,335.30-186,756.05-77,194.33

Finding the Fourth Proportional to 135,335.30, 186,756.05 and 77,194.33

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Solution

The fourth proportional to 135,335.30, 186,756.05 and 77,194.33 is: 106,524.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,335.30 : 186,756.05 = 77,194.33 : x
  2. Step 2: Convert to fraction form
    135,335.30/186,756.05 = 77,194.33/x
  3. Step 3: Cross multiply
    135,335.30x = 186,756.05 × 77,194.33
  4. Step 4: Simplify right side
    135,335.30x = 14,416,507,300.33
  5. Step 5: Solve for x
    x = 14,416,507,300.33/135,335.30
  6. Step 6: Final answer
    x = 106,524.37

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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.