Home / 111,683.30-153,997.85-104,597.42

Finding the Fourth Proportional to 111,683.30, 153,997.85 and 104,597.42

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Solution

The fourth proportional to 111,683.30, 153,997.85 and 104,597.42 is: 144,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,683.30 : 153,997.85 = 104,597.42 : x
  2. Step 2: Convert to fraction form
    111,683.30/153,997.85 = 104,597.42/x
  3. Step 3: Cross multiply
    111,683.30x = 153,997.85 × 104,597.42
  4. Step 4: Simplify right side
    111,683.30x = 16,107,777,287.05
  5. Step 5: Solve for x
    x = 16,107,777,287.05/111,683.30
  6. Step 6: Final answer
    x = 144,227.27

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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.