Home / 98,212.39-135,536.35-55,199.36

Finding the Fourth Proportional to 98,212.39, 135,536.35 and 55,199.36

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Solution

The fourth proportional to 98,212.39, 135,536.35 and 55,199.36 is: 76,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,212.39 : 135,536.35 = 55,199.36 : x
  2. Step 2: Convert to fraction form
    98,212.39/135,536.35 = 55,199.36/x
  3. Step 3: Cross multiply
    98,212.39x = 135,536.35 × 55,199.36
  4. Step 4: Simplify right side
    98,212.39x = 7,481,519,776.74
  5. Step 5: Solve for x
    x = 7,481,519,776.74/98,212.39
  6. Step 6: Final answer
    x = 76,176.95

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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.