Home / 431,736.02-647,211.98-151,100.18

Finding the Fourth Proportional to 431,736.02, 647,211.98 and 151,100.18

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Solution

The fourth proportional to 431,736.02, 647,211.98 and 151,100.18 is: 226,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,736.02 : 647,211.98 = 151,100.18 : x
  2. Step 2: Convert to fraction form
    431,736.02/647,211.98 = 151,100.18/x
  3. Step 3: Cross multiply
    431,736.02x = 647,211.98 × 151,100.18
  4. Step 4: Simplify right side
    431,736.02x = 97,793,846,676.16
  5. Step 5: Solve for x
    x = 97,793,846,676.16/431,736.02
  6. Step 6: Final answer
    x = 226,513.06

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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.