Home / 272,578.10-376,157.73-151,716.77

Finding the Fourth Proportional to 272,578.10, 376,157.73 and 151,716.77

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Solution

The fourth proportional to 272,578.10, 376,157.73 and 151,716.77 is: 209,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,578.10 : 376,157.73 = 151,716.77 : x
  2. Step 2: Convert to fraction form
    272,578.10/376,157.73 = 151,716.77/x
  3. Step 3: Cross multiply
    272,578.10x = 376,157.73 × 151,716.77
  4. Step 4: Simplify right side
    272,578.10x = 57,069,435,904.87
  5. Step 5: Solve for x
    x = 57,069,435,904.87/272,578.10
  6. Step 6: Final answer
    x = 209,369.12

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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.