Home / 149,239.71-205,965.32-111,448.35

Finding the Fourth Proportional to 149,239.71, 205,965.32 and 111,448.35

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Solution

The fourth proportional to 149,239.71, 205,965.32 and 111,448.35 is: 153,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,239.71 : 205,965.32 = 111,448.35 : x
  2. Step 2: Convert to fraction form
    149,239.71/205,965.32 = 111,448.35/x
  3. Step 3: Cross multiply
    149,239.71x = 205,965.32 × 111,448.35
  4. Step 4: Simplify right side
    149,239.71x = 22,954,494,513.98
  5. Step 5: Solve for x
    x = 22,954,494,513.98/149,239.71
  6. Step 6: Final answer
    x = 153,809.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.