Home / 272,761.05-376,383.28-151,913.58

Finding the Fourth Proportional to 272,761.05, 376,383.28 and 151,913.58

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Solution

The fourth proportional to 272,761.05, 376,383.28 and 151,913.58 is: 209,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,761.05 : 376,383.28 = 151,913.58 : x
  2. Step 2: Convert to fraction form
    272,761.05/376,383.28 = 151,913.58/x
  3. Step 3: Cross multiply
    272,761.05x = 376,383.28 × 151,913.58
  4. Step 4: Simplify right side
    272,761.05x = 57,177,731,516.94
  5. Step 5: Solve for x
    x = 57,177,731,516.94/272,761.05
  6. Step 6: Final answer
    x = 209,625.72

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1.5x scale

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.