Home / 120,550.34-166,359.17-66,833.98

Finding the Fourth Proportional to 120,550.34, 166,359.17 and 66,833.98

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Solution

The fourth proportional to 120,550.34, 166,359.17 and 66,833.98 is: 92,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,550.34 : 166,359.17 = 66,833.98 : x
  2. Step 2: Convert to fraction form
    120,550.34/166,359.17 = 66,833.98/x
  3. Step 3: Cross multiply
    120,550.34x = 166,359.17 × 66,833.98
  4. Step 4: Simplify right side
    120,550.34x = 11,118,445,191.78
  5. Step 5: Solve for x
    x = 11,118,445,191.78/120,550.34
  6. Step 6: Final answer
    x = 92,230.72

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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.