Home / 147,776.78-221,563.86-53,004.96

Finding the Fourth Proportional to 147,776.78, 221,563.86 and 53,004.96

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Solution

The fourth proportional to 147,776.78, 221,563.86 and 53,004.96 is: 79,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,776.78 : 221,563.86 = 53,004.96 : x
  2. Step 2: Convert to fraction form
    147,776.78/221,563.86 = 53,004.96/x
  3. Step 3: Cross multiply
    147,776.78x = 221,563.86 × 53,004.96
  4. Step 4: Simplify right side
    147,776.78x = 11,743,983,536.75
  5. Step 5: Solve for x
    x = 11,743,983,536.75/147,776.78
  6. Step 6: Final answer
    x = 79,471.10

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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.