Home / 440,022.45-660,028.10-140,499.23

Finding the Fourth Proportional to 440,022.45, 660,028.10 and 140,499.23

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Solution

The fourth proportional to 440,022.45, 660,028.10 and 140,499.23 is: 210,747.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,022.45 : 660,028.10 = 140,499.23 : x
  2. Step 2: Convert to fraction form
    440,022.45/660,028.10 = 140,499.23/x
  3. Step 3: Cross multiply
    440,022.45x = 660,028.10 × 140,499.23
  4. Step 4: Simplify right side
    440,022.45x = 92,733,439,828.36
  5. Step 5: Solve for x
    x = 92,733,439,828.36/440,022.45
  6. Step 6: Final answer
    x = 210,747.06

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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.