Home / 127,619.13-191,437.56-43,344.93

Finding the Fourth Proportional to 127,619.13, 191,437.56 and 43,344.93

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Solution

The fourth proportional to 127,619.13, 191,437.56 and 43,344.93 is: 65,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,619.13 : 191,437.56 = 43,344.93 : x
  2. Step 2: Convert to fraction form
    127,619.13/191,437.56 = 43,344.93/x
  3. Step 3: Cross multiply
    127,619.13x = 191,437.56 × 43,344.93
  4. Step 4: Simplify right side
    127,619.13x = 8,297,847,637.57
  5. Step 5: Solve for x
    x = 8,297,847,637.57/127,619.13
  6. Step 6: Final answer
    x = 65,020.41

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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.