Home / 106,611.30-159,056.58-102,734.82

Finding the Fourth Proportional to 106,611.30, 159,056.58 and 102,734.82

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Solution

The fourth proportional to 106,611.30, 159,056.58 and 102,734.82 is: 153,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,611.30 : 159,056.58 = 102,734.82 : x
  2. Step 2: Convert to fraction form
    106,611.30/159,056.58 = 102,734.82/x
  3. Step 3: Cross multiply
    106,611.30x = 159,056.58 × 102,734.82
  4. Step 4: Simplify right side
    106,611.30x = 16,340,649,116.12
  5. Step 5: Solve for x
    x = 16,340,649,116.12/106,611.30
  6. Step 6: Final answer
    x = 153,273.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.