Home / 121,226.27-167,291.30-70,237.89

Finding the Fourth Proportional to 121,226.27, 167,291.30 and 70,237.89

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Solution

The fourth proportional to 121,226.27, 167,291.30 and 70,237.89 is: 96,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,226.27 : 167,291.30 = 70,237.89 : x
  2. Step 2: Convert to fraction form
    121,226.27/167,291.30 = 70,237.89/x
  3. Step 3: Cross multiply
    121,226.27x = 167,291.30 × 70,237.89
  4. Step 4: Simplify right side
    121,226.27x = 11,750,187,576.17
  5. Step 5: Solve for x
    x = 11,750,187,576.17/121,226.27
  6. Step 6: Final answer
    x = 96,927.74

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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.