Home / 121,153.46-167,187.85-67,436.69

Finding the Fourth Proportional to 121,153.46, 167,187.85 and 67,436.69

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Solution

The fourth proportional to 121,153.46, 167,187.85 and 67,436.69 is: 93,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,153.46 : 167,187.85 = 67,436.69 : x
  2. Step 2: Convert to fraction form
    121,153.46/167,187.85 = 67,436.69/x
  3. Step 3: Cross multiply
    121,153.46x = 167,187.85 × 67,436.69
  4. Step 4: Simplify right side
    121,153.46x = 11,274,594,207.69
  5. Step 5: Solve for x
    x = 11,274,594,207.69/121,153.46
  6. Step 6: Final answer
    x = 93,060.44

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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.