Home / 155,108.22-232,335.37-70,939.25

Finding the Fourth Proportional to 155,108.22, 232,335.37 and 70,939.25

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Solution

The fourth proportional to 155,108.22, 232,335.37 and 70,939.25 is: 106,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,108.22 : 232,335.37 = 70,939.25 : x
  2. Step 2: Convert to fraction form
    155,108.22/232,335.37 = 70,939.25/x
  3. Step 3: Cross multiply
    155,108.22x = 232,335.37 × 70,939.25
  4. Step 4: Simplify right side
    155,108.22x = 16,481,696,896.27
  5. Step 5: Solve for x
    x = 16,481,696,896.27/155,108.22
  6. Step 6: Final answer
    x = 106,259.34

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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.