Home / 354,623.56-532,022.94-105,305.32

Finding the Fourth Proportional to 354,623.56, 532,022.94 and 105,305.32

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Solution

The fourth proportional to 354,623.56, 532,022.94 and 105,305.32 is: 157,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,623.56 : 532,022.94 = 105,305.32 : x
  2. Step 2: Convert to fraction form
    354,623.56/532,022.94 = 105,305.32/x
  3. Step 3: Cross multiply
    354,623.56x = 532,022.94 × 105,305.32
  4. Step 4: Simplify right side
    354,623.56x = 56,024,845,944.04
  5. Step 5: Solve for x
    x = 56,024,845,944.04/354,623.56
  6. Step 6: Final answer
    x = 157,983.99

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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.