Home / 121,241.95-167,313.70-67,531.66

Finding the Fourth Proportional to 121,241.95, 167,313.70 and 67,531.66

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Solution

The fourth proportional to 121,241.95, 167,313.70 and 67,531.66 is: 93,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,241.95 : 167,313.70 = 67,531.66 : x
  2. Step 2: Convert to fraction form
    121,241.95/167,313.70 = 67,531.66/x
  3. Step 3: Cross multiply
    121,241.95x = 167,313.70 × 67,531.66
  4. Step 4: Simplify right side
    121,241.95x = 11,298,971,901.74
  5. Step 5: Solve for x
    x = 11,298,971,901.74/121,241.95
  6. Step 6: Final answer
    x = 93,193.58

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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.