Home / 187,765.24-259,116.20-102,882.30

Finding the Fourth Proportional to 187,765.24, 259,116.20 and 102,882.30

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Solution

The fourth proportional to 187,765.24, 259,116.20 and 102,882.30 is: 141,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,765.24 : 259,116.20 = 102,882.30 : x
  2. Step 2: Convert to fraction form
    187,765.24/259,116.20 = 102,882.30/x
  3. Step 3: Cross multiply
    187,765.24x = 259,116.20 × 102,882.30
  4. Step 4: Simplify right side
    187,765.24x = 26,658,470,623.26
  5. Step 5: Solve for x
    x = 26,658,470,623.26/187,765.24
  6. Step 6: Final answer
    x = 141,977.67

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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.