Home / 107,895.60-148,557.06-91,731.06

Finding the Fourth Proportional to 107,895.60, 148,557.06 and 91,731.06

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Solution

The fourth proportional to 107,895.60, 148,557.06 and 91,731.06 is: 126,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895.60 : 148,557.06 = 91,731.06 : x
  2. Step 2: Convert to fraction form
    107,895.60/148,557.06 = 91,731.06/x
  3. Step 3: Cross multiply
    107,895.60x = 148,557.06 × 91,731.06
  4. Step 4: Simplify right side
    107,895.60x = 13,627,296,584.28
  5. Step 5: Solve for x
    x = 13,627,296,584.28/107,895.60
  6. Step 6: Final answer
    x = 126,300.76

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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.