Home / 145,589.28-218,436.47-50,833.43

Finding the Fourth Proportional to 145,589.28, 218,436.47 and 50,833.43

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Solution

The fourth proportional to 145,589.28, 218,436.47 and 50,833.43 is: 76,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,589.28 : 218,436.47 = 50,833.43 : x
  2. Step 2: Convert to fraction form
    145,589.28/218,436.47 = 50,833.43/x
  3. Step 3: Cross multiply
    145,589.28x = 218,436.47 × 50,833.43
  4. Step 4: Simplify right side
    145,589.28x = 11,103,875,007.19
  5. Step 5: Solve for x
    x = 11,103,875,007.19/145,589.28
  6. Step 6: Final answer
    x = 76,268.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.