Home / 147,467.25-221,144.72-52,679.70

Finding the Fourth Proportional to 147,467.25, 221,144.72 and 52,679.70

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Solution

The fourth proportional to 147,467.25, 221,144.72 and 52,679.70 is: 78,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,467.25 : 221,144.72 = 52,679.70 : x
  2. Step 2: Convert to fraction form
    147,467.25/221,144.72 = 52,679.70/x
  3. Step 3: Cross multiply
    147,467.25x = 221,144.72 × 52,679.70
  4. Step 4: Simplify right side
    147,467.25x = 11,649,837,242.79
  5. Step 5: Solve for x
    x = 11,649,837,242.79/147,467.25
  6. Step 6: Final answer
    x = 78,999.49

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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.