Home / 104,834.24-157,120.09-82,559.65

Finding the Fourth Proportional to 104,834.24, 157,120.09 and 82,559.65

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Solution

The fourth proportional to 104,834.24, 157,120.09 and 82,559.65 is: 123,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,834.24 : 157,120.09 = 82,559.65 : x
  2. Step 2: Convert to fraction form
    104,834.24/157,120.09 = 82,559.65/x
  3. Step 3: Cross multiply
    104,834.24x = 157,120.09 × 82,559.65
  4. Step 4: Simplify right side
    104,834.24x = 12,971,779,638.37
  5. Step 5: Solve for x
    x = 12,971,779,638.37/104,834.24
  6. Step 6: Final answer
    x = 123,736.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.