Home / 272,578.17-376,157.89-151,716.86

Finding the Fourth Proportional to 272,578.17, 376,157.89 and 151,716.86

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Solution

The fourth proportional to 272,578.17, 376,157.89 and 151,716.86 is: 209,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,578.17 : 376,157.89 = 151,716.86 : x
  2. Step 2: Convert to fraction form
    272,578.17/376,157.89 = 151,716.86/x
  3. Step 3: Cross multiply
    272,578.17x = 376,157.89 × 151,716.86
  4. Step 4: Simplify right side
    272,578.17x = 57,069,493,543.39
  5. Step 5: Solve for x
    x = 57,069,493,543.39/272,578.17
  6. Step 6: Final answer
    x = 209,369.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.