Home / 121,311.01-167,414.34-67,596.06

Finding the Fourth Proportional to 121,311.01, 167,414.34 and 67,596.06

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Solution

The fourth proportional to 121,311.01, 167,414.34 and 67,596.06 is: 93,285.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311.01 : 167,414.34 = 67,596.06 : x
  2. Step 2: Convert to fraction form
    121,311.01/167,414.34 = 67,596.06/x
  3. Step 3: Cross multiply
    121,311.01x = 167,414.34 × 67,596.06
  4. Step 4: Simplify right side
    121,311.01x = 11,316,549,771.50
  5. Step 5: Solve for x
    x = 11,316,549,771.50/121,311.01
  6. Step 6: Final answer
    x = 93,285.43

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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.