Home / 168,981.21-233,063.87-117,977.13

Finding the Fourth Proportional to 168,981.21, 233,063.87 and 117,977.13

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Solution

The fourth proportional to 168,981.21, 233,063.87 and 117,977.13 is: 162,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,981.21 : 233,063.87 = 117,977.13 : x
  2. Step 2: Convert to fraction form
    168,981.21/233,063.87 = 117,977.13/x
  3. Step 3: Cross multiply
    168,981.21x = 233,063.87 × 117,977.13
  4. Step 4: Simplify right side
    168,981.21x = 27,496,205,899.41
  5. Step 5: Solve for x
    x = 27,496,205,899.41/168,981.21
  6. Step 6: Final answer
    x = 162,717.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.