Home / 440,527.02-660,467.33-140,835.12

Finding the Fourth Proportional to 440,527.02, 660,467.33 and 140,835.12

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Solution

The fourth proportional to 440,527.02, 660,467.33 and 140,835.12 is: 211,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,527.02 : 660,467.33 = 140,835.12 : x
  2. Step 2: Convert to fraction form
    440,527.02/660,467.33 = 140,835.12/x
  3. Step 3: Cross multiply
    440,527.02x = 660,467.33 × 140,835.12
  4. Step 4: Simplify right side
    440,527.02x = 93,016,993,816.03
  5. Step 5: Solve for x
    x = 93,016,993,816.03/440,527.02
  6. Step 6: Final answer
    x = 211,149.35

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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.