Home / 140,198.18-193,476.74-76,536.43

Finding the Fourth Proportional to 140,198.18, 193,476.74 and 76,536.43

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Solution

The fourth proportional to 140,198.18, 193,476.74 and 76,536.43 is: 105,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,198.18 : 193,476.74 = 76,536.43 : x
  2. Step 2: Convert to fraction form
    140,198.18/193,476.74 = 76,536.43/x
  3. Step 3: Cross multiply
    140,198.18x = 193,476.74 × 76,536.43
  4. Step 4: Simplify right side
    140,198.18x = 14,808,018,101.26
  5. Step 5: Solve for x
    x = 14,808,018,101.26/140,198.18
  6. Step 6: Final answer
    x = 105,622.05

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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.