Home / 140,281.99-193,589.14-76,619.94

Finding the Fourth Proportional to 140,281.99, 193,589.14 and 76,619.94

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Solution

The fourth proportional to 140,281.99, 193,589.14 and 76,619.94 is: 105,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,281.99 : 193,589.14 = 76,619.94 : x
  2. Step 2: Convert to fraction form
    140,281.99/193,589.14 = 76,619.94/x
  3. Step 3: Cross multiply
    140,281.99x = 193,589.14 × 76,619.94
  4. Step 4: Simplify right side
    140,281.99x = 14,832,788,291.45
  5. Step 5: Solve for x
    x = 14,832,788,291.45/140,281.99
  6. Step 6: Final answer
    x = 105,735.51

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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.