Home / 125,653.24-188,503.20-41,419.32

Finding the Fourth Proportional to 125,653.24, 188,503.20 and 41,419.32

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Solution

The fourth proportional to 125,653.24, 188,503.20 and 41,419.32 is: 62,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,653.24 : 188,503.20 = 41,419.32 : x
  2. Step 2: Convert to fraction form
    125,653.24/188,503.20 = 41,419.32/x
  3. Step 3: Cross multiply
    125,653.24x = 188,503.20 × 41,419.32
  4. Step 4: Simplify right side
    125,653.24x = 7,807,674,361.82
  5. Step 5: Solve for x
    x = 7,807,674,361.82/125,653.24
  6. Step 6: Final answer
    x = 62,136.67

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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.