Home / 123,267.70-170,110.26-75,521.14

Finding the Fourth Proportional to 123,267.70, 170,110.26 and 75,521.14

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Solution

The fourth proportional to 123,267.70, 170,110.26 and 75,521.14 is: 104,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,267.70 : 170,110.26 = 75,521.14 : x
  2. Step 2: Convert to fraction form
    123,267.70/170,110.26 = 75,521.14/x
  3. Step 3: Cross multiply
    123,267.70x = 170,110.26 × 75,521.14
  4. Step 4: Simplify right side
    123,267.70x = 12,846,920,760.90
  5. Step 5: Solve for x
    x = 12,846,920,760.90/123,267.70
  6. Step 6: Final answer
    x = 104,219.68

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1.5x scale

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.