Home / 190,426.14-262,760.40-105,543

Finding the Fourth Proportional to 190,426.14, 262,760.40 and 105,543

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Solution

The fourth proportional to 190,426.14, 262,760.40 and 105,543 is: 145,634.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,426.14 : 262,760.40 = 105,543 : x
  2. Step 2: Convert to fraction form
    190,426.14/262,760.40 = 105,543/x
  3. Step 3: Cross multiply
    190,426.14x = 262,760.40 × 105,543
  4. Step 4: Simplify right side
    190,426.14x = 27,732,520,897.20
  5. Step 5: Solve for x
    x = 27,732,520,897.20/190,426.14
  6. Step 6: Final answer
    x = 145,634.00

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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.