Home / 125,205.09-187,838.46-36,459.33

Finding the Fourth Proportional to 125,205.09, 187,838.46 and 36,459.33

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Solution

The fourth proportional to 125,205.09, 187,838.46 and 36,459.33 is: 54,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,205.09 : 187,838.46 = 36,459.33 : x
  2. Step 2: Convert to fraction form
    125,205.09/187,838.46 = 36,459.33/x
  3. Step 3: Cross multiply
    125,205.09x = 187,838.46 × 36,459.33
  4. Step 4: Simplify right side
    125,205.09x = 6,848,464,399.83
  5. Step 5: Solve for x
    x = 6,848,464,399.83/125,205.09
  6. Step 6: Final answer
    x = 54,697.97

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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.