Home / 147,000.03-220,499.24-53,505.78

Finding the Fourth Proportional to 147,000.03, 220,499.24 and 53,505.78

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Solution

The fourth proportional to 147,000.03, 220,499.24 and 53,505.78 is: 80,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,000.03 : 220,499.24 = 53,505.78 : x
  2. Step 2: Convert to fraction form
    147,000.03/220,499.24 = 53,505.78/x
  3. Step 3: Cross multiply
    147,000.03x = 220,499.24 × 53,505.78
  4. Step 4: Simplify right side
    147,000.03x = 11,797,983,558.08
  5. Step 5: Solve for x
    x = 11,797,983,558.08/147,000.03
  6. Step 6: Final answer
    x = 80,258.38

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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.