Home / 440,834.36-661,232.10-141,329.98

Finding the Fourth Proportional to 440,834.36, 661,232.10 and 141,329.98

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Solution

The fourth proportional to 440,834.36, 661,232.10 and 141,329.98 is: 211,988.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,834.36 : 661,232.10 = 141,329.98 : x
  2. Step 2: Convert to fraction form
    440,834.36/661,232.10 = 141,329.98/x
  3. Step 3: Cross multiply
    440,834.36x = 661,232.10 × 141,329.98
  4. Step 4: Simplify right side
    440,834.36x = 93,451,916,162.20
  5. Step 5: Solve for x
    x = 93,451,916,162.20/440,834.36
  6. Step 6: Final answer
    x = 211,988.73

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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.