Home / 127,785.22-191,679.83-37,837.06

Finding the Fourth Proportional to 127,785.22, 191,679.83 and 37,837.06

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Solution

The fourth proportional to 127,785.22, 191,679.83 and 37,837.06 is: 56,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,785.22 : 191,679.83 = 37,837.06 : x
  2. Step 2: Convert to fraction form
    127,785.22/191,679.83 = 37,837.06/x
  3. Step 3: Cross multiply
    127,785.22x = 191,679.83 × 37,837.06
  4. Step 4: Simplify right side
    127,785.22x = 7,252,601,993.04
  5. Step 5: Solve for x
    x = 7,252,601,993.04/127,785.22
  6. Step 6: Final answer
    x = 56,756.19

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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.