Home / 121,161.96-167,208.30-67,444.92

Finding the Fourth Proportional to 121,161.96, 167,208.30 and 67,444.92

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Solution

The fourth proportional to 121,161.96, 167,208.30 and 67,444.92 is: 93,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,161.96 : 167,208.30 = 67,444.92 : x
  2. Step 2: Convert to fraction form
    121,161.96/167,208.30 = 67,444.92/x
  3. Step 3: Cross multiply
    121,161.96x = 167,208.30 × 67,444.92
  4. Step 4: Simplify right side
    121,161.96x = 11,277,350,416.84
  5. Step 5: Solve for x
    x = 11,277,350,416.84/121,161.96
  6. Step 6: Final answer
    x = 93,076.66

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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.