Home / 188,909.37-283,474.78-135,543.84

Finding the Fourth Proportional to 188,909.37, 283,474.78 and 135,543.84

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Solution

The fourth proportional to 188,909.37, 283,474.78 and 135,543.84 is: 203,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,909.37 : 283,474.78 = 135,543.84 : x
  2. Step 2: Convert to fraction form
    188,909.37/283,474.78 = 135,543.84/x
  3. Step 3: Cross multiply
    188,909.37x = 283,474.78 × 135,543.84
  4. Step 4: Simplify right side
    188,909.37x = 38,423,258,129.26
  5. Step 5: Solve for x
    x = 38,423,258,129.26/188,909.37
  6. Step 6: Final answer
    x = 203,395.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.