Home / 105,292.08-157,939.20-35,171.28

Finding the Fourth Proportional to 105,292.08, 157,939.20 and 35,171.28

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Solution

The fourth proportional to 105,292.08, 157,939.20 and 35,171.28 is: 52,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,292.08 : 157,939.20 = 35,171.28 : x
  2. Step 2: Convert to fraction form
    105,292.08/157,939.20 = 35,171.28/x
  3. Step 3: Cross multiply
    105,292.08x = 157,939.20 × 35,171.28
  4. Step 4: Simplify right side
    105,292.08x = 5,554,923,826.18
  5. Step 5: Solve for x
    x = 5,554,923,826.18/105,292.08
  6. Step 6: Final answer
    x = 52,757.28

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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.