Home / 126,185.82-189,045.45-63,707.10

Finding the Fourth Proportional to 126,185.82, 189,045.45 and 63,707.10

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Solution

The fourth proportional to 126,185.82, 189,045.45 and 63,707.10 is: 95,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,185.82 : 189,045.45 = 63,707.10 : x
  2. Step 2: Convert to fraction form
    126,185.82/189,045.45 = 63,707.10/x
  3. Step 3: Cross multiply
    126,185.82x = 189,045.45 × 63,707.10
  4. Step 4: Simplify right side
    126,185.82x = 12,043,537,387.70
  5. Step 5: Solve for x
    x = 12,043,537,387.70/126,185.82
  6. Step 6: Final answer
    x = 95,442.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.