Home / 163,997.04-245,995.68-126,611.76

Finding the Fourth Proportional to 163,997.04, 245,995.68 and 126,611.76

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Solution

The fourth proportional to 163,997.04, 245,995.68 and 126,611.76 is: 189,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,997.04 : 245,995.68 = 126,611.76 : x
  2. Step 2: Convert to fraction form
    163,997.04/245,995.68 = 126,611.76/x
  3. Step 3: Cross multiply
    163,997.04x = 245,995.68 × 126,611.76
  4. Step 4: Simplify right side
    163,997.04x = 31,145,945,997.20
  5. Step 5: Solve for x
    x = 31,145,945,997.20/163,997.04
  6. Step 6: Final answer
    x = 189,917.73

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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.