Home / 127,231.42-190,899.96-64,017.79

Finding the Fourth Proportional to 127,231.42, 190,899.96 and 64,017.79

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Solution

The fourth proportional to 127,231.42, 190,899.96 and 64,017.79 is: 96,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,231.42 : 190,899.96 = 64,017.79 : x
  2. Step 2: Convert to fraction form
    127,231.42/190,899.96 = 64,017.79/x
  3. Step 3: Cross multiply
    127,231.42x = 190,899.96 × 64,017.79
  4. Step 4: Simplify right side
    127,231.42x = 12,220,993,550.29
  5. Step 5: Solve for x
    x = 12,220,993,550.29/127,231.42
  6. Step 6: Final answer
    x = 96,053.27

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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.