Home / 147,581.36-221,240.54-54,065.24

Finding the Fourth Proportional to 147,581.36, 221,240.54 and 54,065.24

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Solution

The fourth proportional to 147,581.36, 221,240.54 and 54,065.24 is: 81,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,581.36 : 221,240.54 = 54,065.24 : x
  2. Step 2: Convert to fraction form
    147,581.36/221,240.54 = 54,065.24/x
  3. Step 3: Cross multiply
    147,581.36x = 221,240.54 × 54,065.24
  4. Step 4: Simplify right side
    147,581.36x = 11,961,422,892.83
  5. Step 5: Solve for x
    x = 11,961,422,892.83/147,581.36
  6. Step 6: Final answer
    x = 81,049.69

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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.