Home / 125,499.26-188,199.69-45,518.18

Finding the Fourth Proportional to 125,499.26, 188,199.69 and 45,518.18

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Solution

The fourth proportional to 125,499.26, 188,199.69 and 45,518.18 is: 68,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,499.26 : 188,199.69 = 45,518.18 : x
  2. Step 2: Convert to fraction form
    125,499.26/188,199.69 = 45,518.18/x
  3. Step 3: Cross multiply
    125,499.26x = 188,199.69 × 45,518.18
  4. Step 4: Simplify right side
    125,499.26x = 8,566,507,365.36
  5. Step 5: Solve for x
    x = 8,566,507,365.36/125,499.26
  6. Step 6: Final answer
    x = 68,259.43

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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.