Home / 121,241.27-167,318.15-67,526.30

Finding the Fourth Proportional to 121,241.27, 167,318.15 and 67,526.30

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Solution

The fourth proportional to 121,241.27, 167,318.15 and 67,526.30 is: 93,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,241.27 : 167,318.15 = 67,526.30 : x
  2. Step 2: Convert to fraction form
    121,241.27/167,318.15 = 67,526.30/x
  3. Step 3: Cross multiply
    121,241.27x = 167,318.15 × 67,526.30
  4. Step 4: Simplify right side
    121,241.27x = 11,298,375,254.71
  5. Step 5: Solve for x
    x = 11,298,375,254.71/121,241.27
  6. Step 6: Final answer
    x = 93,189.19

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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.