Home / 104,166.13-143,650.53-71,849.10

Finding the Fourth Proportional to 104,166.13, 143,650.53 and 71,849.10

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Solution

The fourth proportional to 104,166.13, 143,650.53 and 71,849.10 is: 99,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.13 : 143,650.53 = 71,849.10 : x
  2. Step 2: Convert to fraction form
    104,166.13/143,650.53 = 71,849.10/x
  3. Step 3: Cross multiply
    104,166.13x = 143,650.53 × 71,849.10
  4. Step 4: Simplify right side
    104,166.13x = 10,321,161,581.25
  5. Step 5: Solve for x
    x = 10,321,161,581.25/104,166.13
  6. Step 6: Final answer
    x = 99,083.66

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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.