Home / 147,018.24-220,323.06-76,757.40

Finding the Fourth Proportional to 147,018.24, 220,323.06 and 76,757.40

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Solution

The fourth proportional to 147,018.24, 220,323.06 and 76,757.40 is: 115,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,018.24 : 220,323.06 = 76,757.40 : x
  2. Step 2: Convert to fraction form
    147,018.24/220,323.06 = 76,757.40/x
  3. Step 3: Cross multiply
    147,018.24x = 220,323.06 × 76,757.40
  4. Step 4: Simplify right side
    147,018.24x = 16,911,425,245.64
  5. Step 5: Solve for x
    x = 16,911,425,245.64/147,018.24
  6. Step 6: Final answer
    x = 115,029.44

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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.