Home / 441,227.81-661,623.10-156,875.75

Finding the Fourth Proportional to 441,227.81, 661,623.10 and 156,875.75

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Solution

The fourth proportional to 441,227.81, 661,623.10 and 156,875.75 is: 235,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,227.81 : 661,623.10 = 156,875.75 : x
  2. Step 2: Convert to fraction form
    441,227.81/661,623.10 = 156,875.75/x
  3. Step 3: Cross multiply
    441,227.81x = 661,623.10 × 156,875.75
  4. Step 4: Simplify right side
    441,227.81x = 103,792,620,029.83
  5. Step 5: Solve for x
    x = 103,792,620,029.83/441,227.81
  6. Step 6: Final answer
    x = 235,235.90

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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.