Home / 190,294.12-262,605.31-109,720.95

Finding the Fourth Proportional to 190,294.12, 262,605.31 and 109,720.95

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Solution

The fourth proportional to 190,294.12, 262,605.31 and 109,720.95 is: 151,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,294.12 : 262,605.31 = 109,720.95 : x
  2. Step 2: Convert to fraction form
    190,294.12/262,605.31 = 109,720.95/x
  3. Step 3: Cross multiply
    190,294.12x = 262,605.31 × 109,720.95
  4. Step 4: Simplify right side
    190,294.12x = 28,813,304,088.24
  5. Step 5: Solve for x
    x = 28,813,304,088.24/190,294.12
  6. Step 6: Final answer
    x = 151,414.58

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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.