Home / 320,592.03-480,755.05-118,199.64

Finding the Fourth Proportional to 320,592.03, 480,755.05 and 118,199.64

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Solution

The fourth proportional to 320,592.03, 480,755.05 and 118,199.64 is: 177,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,592.03 : 480,755.05 = 118,199.64 : x
  2. Step 2: Convert to fraction form
    320,592.03/480,755.05 = 118,199.64/x
  3. Step 3: Cross multiply
    320,592.03x = 480,755.05 × 118,199.64
  4. Step 4: Simplify right side
    320,592.03x = 56,825,073,838.18
  5. Step 5: Solve for x
    x = 56,825,073,838.18/320,592.03
  6. Step 6: Final answer
    x = 177,250.43

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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.