Home / 168,583.95-253,000.35-79,837.31

Finding the Fourth Proportional to 168,583.95, 253,000.35 and 79,837.31

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Solution

The fourth proportional to 168,583.95, 253,000.35 and 79,837.31 is: 119,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,583.95 : 253,000.35 = 79,837.31 : x
  2. Step 2: Convert to fraction form
    168,583.95/253,000.35 = 79,837.31/x
  3. Step 3: Cross multiply
    168,583.95x = 253,000.35 × 79,837.31
  4. Step 4: Simplify right side
    168,583.95x = 20,198,866,108.06
  5. Step 5: Solve for x
    x = 20,198,866,108.06/168,583.95
  6. Step 6: Final answer
    x = 119,814.88

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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.