Home / 135,291.86-186,690.04-91,595.52

Finding the Fourth Proportional to 135,291.86, 186,690.04 and 91,595.52

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Solution

The fourth proportional to 135,291.86, 186,690.04 and 91,595.52 is: 126,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,291.86 : 186,690.04 = 91,595.52 : x
  2. Step 2: Convert to fraction form
    135,291.86/186,690.04 = 91,595.52/x
  3. Step 3: Cross multiply
    135,291.86x = 186,690.04 × 91,595.52
  4. Step 4: Simplify right side
    135,291.86x = 17,099,971,292.62
  5. Step 5: Solve for x
    x = 17,099,971,292.62/135,291.86
  6. Step 6: Final answer
    x = 126,393.20

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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.