Home / 272,576.97-376,156.18-151,715.65

Finding the Fourth Proportional to 272,576.97, 376,156.18 and 151,715.65

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Solution

The fourth proportional to 272,576.97, 376,156.18 and 151,715.65 is: 209,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,576.97 : 376,156.18 = 151,715.65 : x
  2. Step 2: Convert to fraction form
    272,576.97/376,156.18 = 151,715.65/x
  3. Step 3: Cross multiply
    272,576.97x = 376,156.18 × 151,715.65
  4. Step 4: Simplify right side
    272,576.97x = 57,068,777,291.15
  5. Step 5: Solve for x
    x = 57,068,777,291.15/272,576.97
  6. Step 6: Final answer
    x = 209,367.57

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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.