Home / 190,528.96-262,927.92-105,645.28

Finding the Fourth Proportional to 190,528.96, 262,927.92 and 105,645.28

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Solution

The fourth proportional to 190,528.96, 262,927.92 and 105,645.28 is: 145,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,528.96 : 262,927.92 = 105,645.28 : x
  2. Step 2: Convert to fraction form
    190,528.96/262,927.92 = 105,645.28/x
  3. Step 3: Cross multiply
    190,528.96x = 262,927.92 × 105,645.28
  4. Step 4: Simplify right side
    190,528.96x = 27,777,093,728.22
  5. Step 5: Solve for x
    x = 27,777,093,728.22/190,528.96
  6. Step 6: Final answer
    x = 145,789.35

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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.