Home / 167,077.36-230,570.04-91,630

Finding the Fourth Proportional to 167,077.36, 230,570.04 and 91,630

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Solution

The fourth proportional to 167,077.36, 230,570.04 and 91,630 is: 126,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,077.36 : 230,570.04 = 91,630 : x
  2. Step 2: Convert to fraction form
    167,077.36/230,570.04 = 91,630/x
  3. Step 3: Cross multiply
    167,077.36x = 230,570.04 × 91,630
  4. Step 4: Simplify right side
    167,077.36x = 21,127,132,765.20
  5. Step 5: Solve for x
    x = 21,127,132,765.20/167,077.36
  6. Step 6: Final answer
    x = 126,451.20

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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.