Home / 140,950.74-194,512.84-76,420.46

Finding the Fourth Proportional to 140,950.74, 194,512.84 and 76,420.46

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Solution

The fourth proportional to 140,950.74, 194,512.84 and 76,420.46 is: 105,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,950.74 : 194,512.84 = 76,420.46 : x
  2. Step 2: Convert to fraction form
    140,950.74/194,512.84 = 76,420.46/x
  3. Step 3: Cross multiply
    140,950.74x = 194,512.84 × 76,420.46
  4. Step 4: Simplify right side
    140,950.74x = 14,864,760,708.71
  5. Step 5: Solve for x
    x = 14,864,760,708.71/140,950.74
  6. Step 6: Final answer
    x = 105,460.68

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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.