Home / 147,381.22-221,050.30-72,481.26

Finding the Fourth Proportional to 147,381.22, 221,050.30 and 72,481.26

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Solution

The fourth proportional to 147,381.22, 221,050.30 and 72,481.26 is: 108,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,381.22 : 221,050.30 = 72,481.26 : x
  2. Step 2: Convert to fraction form
    147,381.22/221,050.30 = 72,481.26/x
  3. Step 3: Cross multiply
    147,381.22x = 221,050.30 × 72,481.26
  4. Step 4: Simplify right side
    147,381.22x = 16,022,004,267.38
  5. Step 5: Solve for x
    x = 16,022,004,267.38/147,381.22
  6. Step 6: Final answer
    x = 108,711.30

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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.