Home / 125,216.96-187,867.44-40,981.04

Finding the Fourth Proportional to 125,216.96, 187,867.44 and 40,981.04

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Solution

The fourth proportional to 125,216.96, 187,867.44 and 40,981.04 is: 61,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,216.96 : 187,867.44 = 40,981.04 : x
  2. Step 2: Convert to fraction form
    125,216.96/187,867.44 = 40,981.04/x
  3. Step 3: Cross multiply
    125,216.96x = 187,867.44 × 40,981.04
  4. Step 4: Simplify right side
    125,216.96x = 7,699,003,073.34
  5. Step 5: Solve for x
    x = 7,699,003,073.34/125,216.96
  6. Step 6: Final answer
    x = 61,485.31

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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.