Home / 373,899.59-560,731.75-121,121.43

Finding the Fourth Proportional to 373,899.59, 560,731.75 and 121,121.43

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Solution

The fourth proportional to 373,899.59, 560,731.75 and 121,121.43 is: 181,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,899.59 : 560,731.75 = 121,121.43 : x
  2. Step 2: Convert to fraction form
    373,899.59/560,731.75 = 121,121.43/x
  3. Step 3: Cross multiply
    373,899.59x = 560,731.75 × 121,121.43
  4. Step 4: Simplify right side
    373,899.59x = 67,916,631,987.70
  5. Step 5: Solve for x
    x = 67,916,631,987.70/373,899.59
  6. Step 6: Final answer
    x = 181,644.04

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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.