Home / 121,214.49-167,275.29-70,912.41

Finding the Fourth Proportional to 121,214.49, 167,275.29 and 70,912.41

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Solution

The fourth proportional to 121,214.49, 167,275.29 and 70,912.41 is: 97,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.49 : 167,275.29 = 70,912.41 : x
  2. Step 2: Convert to fraction form
    121,214.49/167,275.29 = 70,912.41/x
  3. Step 3: Cross multiply
    121,214.49x = 167,275.29 × 70,912.41
  4. Step 4: Simplify right side
    121,214.49x = 11,861,893,947.35
  5. Step 5: Solve for x
    x = 11,861,893,947.35/121,214.49
  6. Step 6: Final answer
    x = 97,858.71

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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.