Home / 140,206.90-193,486.18-76,546.16

Finding the Fourth Proportional to 140,206.90, 193,486.18 and 76,546.16

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Solution

The fourth proportional to 140,206.90, 193,486.18 and 76,546.16 is: 105,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,206.90 : 193,486.18 = 76,546.16 : x
  2. Step 2: Convert to fraction form
    140,206.90/193,486.18 = 76,546.16/x
  3. Step 3: Cross multiply
    140,206.90x = 193,486.18 × 76,546.16
  4. Step 4: Simplify right side
    140,206.90x = 14,810,624,092.07
  5. Step 5: Solve for x
    x = 14,810,624,092.07/140,206.90
  6. Step 6: Final answer
    x = 105,634.06

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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.