Home / 140,258.94-193,558.05-76,596.74

Finding the Fourth Proportional to 140,258.94, 193,558.05 and 76,596.74

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Solution

The fourth proportional to 140,258.94, 193,558.05 and 76,596.74 is: 105,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258.94 : 193,558.05 = 76,596.74 : x
  2. Step 2: Convert to fraction form
    140,258.94/193,558.05 = 76,596.74/x
  3. Step 3: Cross multiply
    140,258.94x = 193,558.05 × 76,596.74
  4. Step 4: Simplify right side
    140,258.94x = 14,825,914,471.47
  5. Step 5: Solve for x
    x = 14,825,914,471.47/140,258.94
  6. Step 6: Final answer
    x = 105,703.88

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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.