Home / 135,297.16-186,697.38-91,600.84

Finding the Fourth Proportional to 135,297.16, 186,697.38 and 91,600.84

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Solution

The fourth proportional to 135,297.16, 186,697.38 and 91,600.84 is: 126,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,297.16 : 186,697.38 = 91,600.84 : x
  2. Step 2: Convert to fraction form
    135,297.16/186,697.38 = 91,600.84/x
  3. Step 3: Cross multiply
    135,297.16x = 186,697.38 × 91,600.84
  4. Step 4: Simplify right side
    135,297.16x = 17,101,636,833.80
  5. Step 5: Solve for x
    x = 17,101,636,833.80/135,297.16
  6. Step 6: Final answer
    x = 126,400.56

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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.