Home / 135,290.86-186,688.67-91,594.52

Finding the Fourth Proportional to 135,290.86, 186,688.67 and 91,594.52

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Solution

The fourth proportional to 135,290.86, 186,688.67 and 91,594.52 is: 126,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,290.86 : 186,688.67 = 91,594.52 : x
  2. Step 2: Convert to fraction form
    135,290.86/186,688.67 = 91,594.52/x
  3. Step 3: Cross multiply
    135,290.86x = 186,688.67 × 91,594.52
  4. Step 4: Simplify right side
    135,290.86x = 17,099,658,660.12
  5. Step 5: Solve for x
    x = 17,099,658,660.12/135,290.86
  6. Step 6: Final answer
    x = 126,391.83

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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.