Home / 127,916.72-191,765.64-49,087.52

Finding the Fourth Proportional to 127,916.72, 191,765.64 and 49,087.52

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Solution

The fourth proportional to 127,916.72, 191,765.64 and 49,087.52 is: 73,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,916.72 : 191,765.64 = 49,087.52 : x
  2. Step 2: Convert to fraction form
    127,916.72/191,765.64 = 49,087.52/x
  3. Step 3: Cross multiply
    127,916.72x = 191,765.64 × 49,087.52
  4. Step 4: Simplify right side
    127,916.72x = 9,413,299,688.81
  5. Step 5: Solve for x
    x = 9,413,299,688.81/127,916.72
  6. Step 6: Final answer
    x = 73,589.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.