Home / 147,111.96-220,474.26-58,317.06

Finding the Fourth Proportional to 147,111.96, 220,474.26 and 58,317.06

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Solution

The fourth proportional to 147,111.96, 220,474.26 and 58,317.06 is: 87,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,111.96 : 220,474.26 = 58,317.06 : x
  2. Step 2: Convert to fraction form
    147,111.96/220,474.26 = 58,317.06/x
  3. Step 3: Cross multiply
    147,111.96x = 220,474.26 × 58,317.06
  4. Step 4: Simplify right side
    147,111.96x = 12,857,410,648.88
  5. Step 5: Solve for x
    x = 12,857,410,648.88/147,111.96
  6. Step 6: Final answer
    x = 87,398.81

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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.