Home / 187,763.06-259,113.03-112,311.56

Finding the Fourth Proportional to 187,763.06, 259,113.03 and 112,311.56

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Solution

The fourth proportional to 187,763.06, 259,113.03 and 112,311.56 is: 154,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,763.06 : 259,113.03 = 112,311.56 : x
  2. Step 2: Convert to fraction form
    187,763.06/259,113.03 = 112,311.56/x
  3. Step 3: Cross multiply
    187,763.06x = 259,113.03 × 112,311.56
  4. Step 4: Simplify right side
    187,763.06x = 29,101,388,842.24
  5. Step 5: Solve for x
    x = 29,101,388,842.24/187,763.06
  6. Step 6: Final answer
    x = 154,989.96

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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.