Home / 660,770.10-991,192.83-187,418.26

Finding the Fourth Proportional to 660,770.10, 991,192.83 and 187,418.26

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Solution

The fourth proportional to 660,770.10, 991,192.83 and 187,418.26 is: 281,138.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,770.10 : 991,192.83 = 187,418.26 : x
  2. Step 2: Convert to fraction form
    660,770.10/991,192.83 = 187,418.26/x
  3. Step 3: Cross multiply
    660,770.10x = 991,192.83 × 187,418.26
  4. Step 4: Simplify right side
    660,770.10x = 185,767,635,523.08
  5. Step 5: Solve for x
    x = 185,767,635,523.08/660,770.10
  6. Step 6: Final answer
    x = 281,138.08

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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.