Home / 102,304.28-141,183.74-56,365.81

Finding the Fourth Proportional to 102,304.28, 141,183.74 and 56,365.81

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Solution

The fourth proportional to 102,304.28, 141,183.74 and 56,365.81 is: 77,786.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,304.28 : 141,183.74 = 56,365.81 : x
  2. Step 2: Convert to fraction form
    102,304.28/141,183.74 = 56,365.81/x
  3. Step 3: Cross multiply
    102,304.28x = 141,183.74 × 56,365.81
  4. Step 4: Simplify right side
    102,304.28x = 7,957,935,863.93
  5. Step 5: Solve for x
    x = 7,957,935,863.93/102,304.28
  6. Step 6: Final answer
    x = 77,786.93

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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.