Home / 151,293.15-208,785.92-83,312.54

Finding the Fourth Proportional to 151,293.15, 208,785.92 and 83,312.54

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Solution

The fourth proportional to 151,293.15, 208,785.92 and 83,312.54 is: 114,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,293.15 : 208,785.92 = 83,312.54 : x
  2. Step 2: Convert to fraction form
    151,293.15/208,785.92 = 83,312.54/x
  3. Step 3: Cross multiply
    151,293.15x = 208,785.92 × 83,312.54
  4. Step 4: Simplify right side
    151,293.15x = 17,394,483,850.94
  5. Step 5: Solve for x
    x = 17,394,483,850.94/151,293.15
  6. Step 6: Final answer
    x = 114,972.05

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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.