Home / 140,927.76-194,456.40-93,155.56

Finding the Fourth Proportional to 140,927.76, 194,456.40 and 93,155.56

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Solution

The fourth proportional to 140,927.76, 194,456.40 and 93,155.56 is: 128,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,927.76 : 194,456.40 = 93,155.56 : x
  2. Step 2: Convert to fraction form
    140,927.76/194,456.40 = 93,155.56/x
  3. Step 3: Cross multiply
    140,927.76x = 194,456.40 × 93,155.56
  4. Step 4: Simplify right side
    140,927.76x = 18,114,694,837.58
  5. Step 5: Solve for x
    x = 18,114,694,837.58/140,927.76
  6. Step 6: Final answer
    x = 128,538.87

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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.