Home / 147,579.36-221,237.55-54,063.24

Finding the Fourth Proportional to 147,579.36, 221,237.55 and 54,063.24

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Solution

The fourth proportional to 147,579.36, 221,237.55 and 54,063.24 is: 81,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,579.36 : 221,237.55 = 54,063.24 : x
  2. Step 2: Convert to fraction form
    147,579.36/221,237.55 = 54,063.24/x
  3. Step 3: Cross multiply
    147,579.36x = 221,237.55 × 54,063.24
  4. Step 4: Simplify right side
    147,579.36x = 11,960,818,762.66
  5. Step 5: Solve for x
    x = 11,960,818,762.66/147,579.36
  6. Step 6: Final answer
    x = 81,046.69

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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.