Home / 167,370.63-230,973.29-91,919.13

Finding the Fourth Proportional to 167,370.63, 230,973.29 and 91,919.13

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Solution

The fourth proportional to 167,370.63, 230,973.29 and 91,919.13 is: 126,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,370.63 : 230,973.29 = 91,919.13 : x
  2. Step 2: Convert to fraction form
    167,370.63/230,973.29 = 91,919.13/x
  3. Step 3: Cross multiply
    167,370.63x = 230,973.29 × 91,919.13
  4. Step 4: Simplify right side
    167,370.63x = 21,230,863,870.04
  5. Step 5: Solve for x
    x = 21,230,863,870.04/167,370.63
  6. Step 6: Final answer
    x = 126,849.40

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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.