Home / 446,291.48-669,435.76-161,981.65

Finding the Fourth Proportional to 446,291.48, 669,435.76 and 161,981.65

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Solution

The fourth proportional to 446,291.48, 669,435.76 and 161,981.65 is: 242,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,291.48 : 669,435.76 = 161,981.65 : x
  2. Step 2: Convert to fraction form
    446,291.48/669,435.76 = 161,981.65/x
  3. Step 3: Cross multiply
    446,291.48x = 669,435.76 × 161,981.65
  4. Step 4: Simplify right side
    446,291.48x = 108,436,308,973.80
  5. Step 5: Solve for x
    x = 108,436,308,973.80/446,291.48
  6. Step 6: Final answer
    x = 242,971.95

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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.