Home / 272,543.23-376,105.90-151,684.49

Finding the Fourth Proportional to 272,543.23, 376,105.90 and 151,684.49

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Solution

The fourth proportional to 272,543.23, 376,105.90 and 151,684.49 is: 209,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,543.23 : 376,105.90 = 151,684.49 : x
  2. Step 2: Convert to fraction form
    272,543.23/376,105.90 = 151,684.49/x
  3. Step 3: Cross multiply
    272,543.23x = 376,105.90 × 151,684.49
  4. Step 4: Simplify right side
    272,543.23x = 57,049,431,627.49
  5. Step 5: Solve for x
    x = 57,049,431,627.49/272,543.23
  6. Step 6: Final answer
    x = 209,322.51

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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.