Home / 121,460.38-167,615.61-67,748.87

Finding the Fourth Proportional to 121,460.38, 167,615.61 and 67,748.87

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Solution

The fourth proportional to 121,460.38, 167,615.61 and 67,748.87 is: 93,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,460.38 : 167,615.61 = 67,748.87 : x
  2. Step 2: Convert to fraction form
    121,460.38/167,615.61 = 67,748.87/x
  3. Step 3: Cross multiply
    121,460.38x = 167,615.61 × 67,748.87
  4. Step 4: Simplify right side
    121,460.38x = 11,355,768,844.96
  5. Step 5: Solve for x
    x = 11,355,768,844.96/121,460.38
  6. Step 6: Final answer
    x = 93,493.61

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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.