Home / 120,834.67-166,714.23-69,828.82

Finding the Fourth Proportional to 120,834.67, 166,714.23 and 69,828.82

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Solution

The fourth proportional to 120,834.67, 166,714.23 and 69,828.82 is: 96,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.67 : 166,714.23 = 69,828.82 : x
  2. Step 2: Convert to fraction form
    120,834.67/166,714.23 = 69,828.82/x
  3. Step 3: Cross multiply
    120,834.67x = 166,714.23 × 69,828.82
  4. Step 4: Simplify right side
    120,834.67x = 11,641,457,958.11
  5. Step 5: Solve for x
    x = 11,641,457,958.11/120,834.67
  6. Step 6: Final answer
    x = 96,342.03

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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.