Home / 140,466.32-193,836.36-76,791.76

Finding the Fourth Proportional to 140,466.32, 193,836.36 and 76,791.76

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Solution

The fourth proportional to 140,466.32, 193,836.36 and 76,791.76 is: 105,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,466.32 : 193,836.36 = 76,791.76 : x
  2. Step 2: Convert to fraction form
    140,466.32/193,836.36 = 76,791.76/x
  3. Step 3: Cross multiply
    140,466.32x = 193,836.36 × 76,791.76
  4. Step 4: Simplify right side
    140,466.32x = 14,885,035,236.39
  5. Step 5: Solve for x
    x = 14,885,035,236.39/140,466.32
  6. Step 6: Final answer
    x = 105,968.71

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1.5x scale

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.