Home / 140,270.70-193,573.31-76,608.48

Finding the Fourth Proportional to 140,270.70, 193,573.31 and 76,608.48

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Solution

The fourth proportional to 140,270.70, 193,573.31 and 76,608.48 is: 105,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,270.70 : 193,573.31 = 76,608.48 : x
  2. Step 2: Convert to fraction form
    140,270.70/193,573.31 = 76,608.48/x
  3. Step 3: Cross multiply
    140,270.70x = 193,573.31 × 76,608.48
  4. Step 4: Simplify right side
    140,270.70x = 14,829,357,047.67
  5. Step 5: Solve for x
    x = 14,829,357,047.67/140,270.70
  6. Step 6: Final answer
    x = 105,719.56

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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.