Home / 131,826.01-181,918.84-71,395.26

Finding the Fourth Proportional to 131,826.01, 181,918.84 and 71,395.26

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Solution

The fourth proportional to 131,826.01, 181,918.84 and 71,395.26 is: 98,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,826.01 : 181,918.84 = 71,395.26 : x
  2. Step 2: Convert to fraction form
    131,826.01/181,918.84 = 71,395.26/x
  3. Step 3: Cross multiply
    131,826.01x = 181,918.84 × 71,395.26
  4. Step 4: Simplify right side
    131,826.01x = 12,988,141,614.13
  5. Step 5: Solve for x
    x = 12,988,141,614.13/131,826.01
  6. Step 6: Final answer
    x = 98,524.88

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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.