Home / 147,579.61-221,237.92-54,063.49

Finding the Fourth Proportional to 147,579.61, 221,237.92 and 54,063.49

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Solution

The fourth proportional to 147,579.61, 221,237.92 and 54,063.49 is: 81,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,579.61 : 221,237.92 = 54,063.49 : x
  2. Step 2: Convert to fraction form
    147,579.61/221,237.92 = 54,063.49/x
  3. Step 3: Cross multiply
    147,579.61x = 221,237.92 × 54,063.49
  4. Step 4: Simplify right side
    147,579.61x = 11,960,894,075.54
  5. Step 5: Solve for x
    x = 11,960,894,075.54/147,579.61
  6. Step 6: Final answer
    x = 81,047.06

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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.