Home / 121,524.30-167,699.16-76,226.67

Finding the Fourth Proportional to 121,524.30, 167,699.16 and 76,226.67

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Solution

The fourth proportional to 121,524.30, 167,699.16 and 76,226.67 is: 105,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,524.30 : 167,699.16 = 76,226.67 : x
  2. Step 2: Convert to fraction form
    121,524.30/167,699.16 = 76,226.67/x
  3. Step 3: Cross multiply
    121,524.30x = 167,699.16 × 76,226.67
  4. Step 4: Simplify right side
    121,524.30x = 12,783,148,528.60
  5. Step 5: Solve for x
    x = 12,783,148,528.60/121,524.30
  6. Step 6: Final answer
    x = 105,190.06

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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.