Home / 190,135.94-262,387.65-105,253.00

Finding the Fourth Proportional to 190,135.94, 262,387.65 and 105,253.00

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Solution

The fourth proportional to 190,135.94, 262,387.65 and 105,253.00 is: 145,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,135.94 : 262,387.65 = 105,253.00 : x
  2. Step 2: Convert to fraction form
    190,135.94/262,387.65 = 105,253.00/x
  3. Step 3: Cross multiply
    190,135.94x = 262,387.65 × 105,253.00
  4. Step 4: Simplify right side
    190,135.94x = 27,617,088,540.11
  5. Step 5: Solve for x
    x = 27,617,088,540.11/190,135.94
  6. Step 6: Final answer
    x = 145,249.18

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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.