Home / 135,802.45-187,441.83-92,799.35

Finding the Fourth Proportional to 135,802.45, 187,441.83 and 92,799.35

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Solution

The fourth proportional to 135,802.45, 187,441.83 and 92,799.35 is: 128,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,802.45 : 187,441.83 = 92,799.35 : x
  2. Step 2: Convert to fraction form
    135,802.45/187,441.83 = 92,799.35/x
  3. Step 3: Cross multiply
    135,802.45x = 187,441.83 × 92,799.35
  4. Step 4: Simplify right side
    135,802.45x = 17,394,479,986.81
  5. Step 5: Solve for x
    x = 17,394,479,986.81/135,802.45
  6. Step 6: Final answer
    x = 128,086.64

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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.