Home / 125,365.23-188,137.63-53,368.61

Finding the Fourth Proportional to 125,365.23, 188,137.63 and 53,368.61

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Solution

The fourth proportional to 125,365.23, 188,137.63 and 53,368.61 is: 80,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,365.23 : 188,137.63 = 53,368.61 : x
  2. Step 2: Convert to fraction form
    125,365.23/188,137.63 = 53,368.61/x
  3. Step 3: Cross multiply
    125,365.23x = 188,137.63 × 53,368.61
  4. Step 4: Simplify right side
    125,365.23x = 10,040,644,394.69
  5. Step 5: Solve for x
    x = 10,040,644,394.69/125,365.23
  6. Step 6: Final answer
    x = 80,091.14

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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.