Home / 147,788.48-221,771.04-54,303.68

Finding the Fourth Proportional to 147,788.48, 221,771.04 and 54,303.68

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Solution

The fourth proportional to 147,788.48, 221,771.04 and 54,303.68 is: 81,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,788.48 : 221,771.04 = 54,303.68 : x
  2. Step 2: Convert to fraction form
    147,788.48/221,771.04 = 54,303.68/x
  3. Step 3: Cross multiply
    147,788.48x = 221,771.04 × 54,303.68
  4. Step 4: Simplify right side
    147,788.48x = 12,042,983,589.43
  5. Step 5: Solve for x
    x = 12,042,983,589.43/147,788.48
  6. Step 6: Final answer
    x = 81,487.97

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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.