Home / 135,290.75-186,688.51-91,594.42

Finding the Fourth Proportional to 135,290.75, 186,688.51 and 91,594.42

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Solution

The fourth proportional to 135,290.75, 186,688.51 and 91,594.42 is: 126,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,290.75 : 186,688.51 = 91,594.42 : x
  2. Step 2: Convert to fraction form
    135,290.75/186,688.51 = 91,594.42/x
  3. Step 3: Cross multiply
    135,290.75x = 186,688.51 × 91,594.42
  4. Step 4: Simplify right side
    135,290.75x = 17,099,625,098.41
  5. Step 5: Solve for x
    x = 17,099,625,098.41/135,290.75
  6. Step 6: Final answer
    x = 126,391.68

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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.