Home / 190,257.29-262,554.40-109,684.43

Finding the Fourth Proportional to 190,257.29, 262,554.40 and 109,684.43

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Solution

The fourth proportional to 190,257.29, 262,554.40 and 109,684.43 is: 151,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,257.29 : 262,554.40 = 109,684.43 : x
  2. Step 2: Convert to fraction form
    190,257.29/262,554.40 = 109,684.43/x
  3. Step 3: Cross multiply
    190,257.29x = 262,554.40 × 109,684.43
  4. Step 4: Simplify right side
    190,257.29x = 28,798,129,707.99
  5. Step 5: Solve for x
    x = 28,798,129,707.99/190,257.29
  6. Step 6: Final answer
    x = 151,364.13

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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.