Home / 147,744.72-221,615.64-36,936.72

Finding the Fourth Proportional to 147,744.72, 221,615.64 and 36,936.72

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Solution

The fourth proportional to 147,744.72, 221,615.64 and 36,936.72 is: 55,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744.72 : 221,615.64 = 36,936.72 : x
  2. Step 2: Convert to fraction form
    147,744.72/221,615.64 = 36,936.72/x
  3. Step 3: Cross multiply
    147,744.72x = 221,615.64 × 36,936.72
  4. Step 4: Simplify right side
    147,744.72x = 8,185,754,842.30
  5. Step 5: Solve for x
    x = 8,185,754,842.30/147,744.72
  6. Step 6: Final answer
    x = 55,404.72

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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.