Home / 440,526.45-660,466.49-140,834.55

Finding the Fourth Proportional to 440,526.45, 660,466.49 and 140,834.55

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Solution

The fourth proportional to 440,526.45, 660,466.49 and 140,834.55 is: 211,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,526.45 : 660,466.49 = 140,834.55 : x
  2. Step 2: Convert to fraction form
    440,526.45/660,466.49 = 140,834.55/x
  3. Step 3: Cross multiply
    440,526.45x = 660,466.49 × 140,834.55
  4. Step 4: Simplify right side
    440,526.45x = 93,016,503,474.00
  5. Step 5: Solve for x
    x = 93,016,503,474.00/440,526.45
  6. Step 6: Final answer
    x = 211,148.51

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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.