Home / 173,102.40-259,216.20-109,729.62

Finding the Fourth Proportional to 173,102.40, 259,216.20 and 109,729.62

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Solution

The fourth proportional to 173,102.40, 259,216.20 and 109,729.62 is: 164,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,102.40 : 259,216.20 = 109,729.62 : x
  2. Step 2: Convert to fraction form
    173,102.40/259,216.20 = 109,729.62/x
  3. Step 3: Cross multiply
    173,102.40x = 259,216.20 × 109,729.62
  4. Step 4: Simplify right side
    173,102.40x = 28,443,695,123.84
  5. Step 5: Solve for x
    x = 28,443,695,123.84/173,102.40
  6. Step 6: Final answer
    x = 164,317.16

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1.5x scale

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.