Home / 272,790.27-376,462.31-151,931.61

Finding the Fourth Proportional to 272,790.27, 376,462.31 and 151,931.61

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Solution

The fourth proportional to 272,790.27, 376,462.31 and 151,931.61 is: 209,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,790.27 : 376,462.31 = 151,931.61 : x
  2. Step 2: Convert to fraction form
    272,790.27/376,462.31 = 151,931.61/x
  3. Step 3: Cross multiply
    272,790.27x = 376,462.31 × 151,931.61
  4. Step 4: Simplify right side
    272,790.27x = 57,196,524,102.96
  5. Step 5: Solve for x
    x = 57,196,524,102.96/272,790.27
  6. Step 6: Final answer
    x = 209,672.16

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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.