Home / 135,913.35-187,566.66-75,484.26

Finding the Fourth Proportional to 135,913.35, 187,566.66 and 75,484.26

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Solution

The fourth proportional to 135,913.35, 187,566.66 and 75,484.26 is: 104,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,913.35 : 187,566.66 = 75,484.26 : x
  2. Step 2: Convert to fraction form
    135,913.35/187,566.66 = 75,484.26/x
  3. Step 3: Cross multiply
    135,913.35x = 187,566.66 × 75,484.26
  4. Step 4: Simplify right side
    135,913.35x = 14,158,330,530.77
  5. Step 5: Solve for x
    x = 14,158,330,530.77/135,913.35
  6. Step 6: Final answer
    x = 104,171.74

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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.