Home / 121,426.29-167,588.46-70,469.19

Finding the Fourth Proportional to 121,426.29, 167,588.46 and 70,469.19

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Solution

The fourth proportional to 121,426.29, 167,588.46 and 70,469.19 is: 97,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,426.29 : 167,588.46 = 70,469.19 : x
  2. Step 2: Convert to fraction form
    121,426.29/167,588.46 = 70,469.19/x
  3. Step 3: Cross multiply
    121,426.29x = 167,588.46 × 70,469.19
  4. Step 4: Simplify right side
    121,426.29x = 11,809,823,029.55
  5. Step 5: Solve for x
    x = 11,809,823,029.55/121,426.29
  6. Step 6: Final answer
    x = 97,259.19

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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.