Home / 121,148.82-167,185.36-67,432.68

Finding the Fourth Proportional to 121,148.82, 167,185.36 and 67,432.68

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Solution

The fourth proportional to 121,148.82, 167,185.36 and 67,432.68 is: 93,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,148.82 : 167,185.36 = 67,432.68 : x
  2. Step 2: Convert to fraction form
    121,148.82/167,185.36 = 67,432.68/x
  3. Step 3: Cross multiply
    121,148.82x = 167,185.36 × 67,432.68
  4. Step 4: Simplify right side
    121,148.82x = 11,273,756,881.56
  5. Step 5: Solve for x
    x = 11,273,756,881.56/121,148.82
  6. Step 6: Final answer
    x = 93,057.09

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1.5x scale

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.