Home / 140,675.12-194,078.67-92,303.75

Finding the Fourth Proportional to 140,675.12, 194,078.67 and 92,303.75

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Solution

The fourth proportional to 140,675.12, 194,078.67 and 92,303.75 is: 127,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,675.12 : 194,078.67 = 92,303.75 : x
  2. Step 2: Convert to fraction form
    140,675.12/194,078.67 = 92,303.75/x
  3. Step 3: Cross multiply
    140,675.12x = 194,078.67 × 92,303.75
  4. Step 4: Simplify right side
    140,675.12x = 17,914,189,521.21
  5. Step 5: Solve for x
    x = 17,914,189,521.21/140,675.12
  6. Step 6: Final answer
    x = 127,344.40

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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.