Home / 111,136.08-166,797.36-104,129.76

Finding the Fourth Proportional to 111,136.08, 166,797.36 and 104,129.76

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Solution

The fourth proportional to 111,136.08, 166,797.36 and 104,129.76 is: 156,282.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,136.08 : 166,797.36 = 104,129.76 : x
  2. Step 2: Convert to fraction form
    111,136.08/166,797.36 = 104,129.76/x
  3. Step 3: Cross multiply
    111,136.08x = 166,797.36 × 104,129.76
  4. Step 4: Simplify right side
    111,136.08x = 17,368,569,065.43
  5. Step 5: Solve for x
    x = 17,368,569,065.43/111,136.08
  6. Step 6: Final answer
    x = 156,282.00

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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.