Home / 112,531.20-168,796.80-29,425.20

Finding the Fourth Proportional to 112,531.20, 168,796.80 and 29,425.20

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Solution

The fourth proportional to 112,531.20, 168,796.80 and 29,425.20 is: 44,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,531.20 : 168,796.80 = 29,425.20 : x
  2. Step 2: Convert to fraction form
    112,531.20/168,796.80 = 29,425.20/x
  3. Step 3: Cross multiply
    112,531.20x = 168,796.80 × 29,425.20
  4. Step 4: Simplify right side
    112,531.20x = 4,966,879,599.36
  5. Step 5: Solve for x
    x = 4,966,879,599.36/112,531.20
  6. Step 6: Final answer
    x = 44,137.80

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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.