Home / 431,738.02-647,214.98-151,102.18

Finding the Fourth Proportional to 431,738.02, 647,214.98 and 151,102.18

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Solution

The fourth proportional to 431,738.02, 647,214.98 and 151,102.18 is: 226,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,738.02 : 647,214.98 = 151,102.18 : x
  2. Step 2: Convert to fraction form
    431,738.02/647,214.98 = 151,102.18/x
  3. Step 3: Cross multiply
    431,738.02x = 647,214.98 × 151,102.18
  4. Step 4: Simplify right side
    431,738.02x = 97,795,594,406.66
  5. Step 5: Solve for x
    x = 97,795,594,406.66/431,738.02
  6. Step 6: Final answer
    x = 226,516.06

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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.