Home / 138,955.31-191,824.45-93,093.92

Finding the Fourth Proportional to 138,955.31, 191,824.45 and 93,093.92

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Solution

The fourth proportional to 138,955.31, 191,824.45 and 93,093.92 is: 128,513.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,955.31 : 191,824.45 = 93,093.92 : x
  2. Step 2: Convert to fraction form
    138,955.31/191,824.45 = 93,093.92/x
  3. Step 3: Cross multiply
    138,955.31x = 191,824.45 × 93,093.92
  4. Step 4: Simplify right side
    138,955.31x = 17,857,690,002.34
  5. Step 5: Solve for x
    x = 17,857,690,002.34/138,955.31
  6. Step 6: Final answer
    x = 128,513.91

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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.