Home / 148,755.56-205,281.54-80,771.22

Finding the Fourth Proportional to 148,755.56, 205,281.54 and 80,771.22

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Solution

The fourth proportional to 148,755.56, 205,281.54 and 80,771.22 is: 111,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,755.56 : 205,281.54 = 80,771.22 : x
  2. Step 2: Convert to fraction form
    148,755.56/205,281.54 = 80,771.22/x
  3. Step 3: Cross multiply
    148,755.56x = 205,281.54 × 80,771.22
  4. Step 4: Simplify right side
    148,755.56x = 16,580,840,429.28
  5. Step 5: Solve for x
    x = 16,580,840,429.28/148,755.56
  6. Step 6: Final answer
    x = 111,463.67

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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.