Home / 142,809.24-197,054.46-82,382.16

Finding the Fourth Proportional to 142,809.24, 197,054.46 and 82,382.16

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Solution

The fourth proportional to 142,809.24, 197,054.46 and 82,382.16 is: 113,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,809.24 : 197,054.46 = 82,382.16 : x
  2. Step 2: Convert to fraction form
    142,809.24/197,054.46 = 82,382.16/x
  3. Step 3: Cross multiply
    142,809.24x = 197,054.46 × 82,382.16
  4. Step 4: Simplify right side
    142,809.24x = 16,233,772,052.43
  5. Step 5: Solve for x
    x = 16,233,772,052.43/142,809.24
  6. Step 6: Final answer
    x = 113,674.52

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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.