Home / 112,181.28-168,252.48-29,075.28

Finding the Fourth Proportional to 112,181.28, 168,252.48 and 29,075.28

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Solution

The fourth proportional to 112,181.28, 168,252.48 and 29,075.28 is: 43,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.28 : 168,252.48 = 29,075.28 : x
  2. Step 2: Convert to fraction form
    112,181.28/168,252.48 = 29,075.28/x
  3. Step 3: Cross multiply
    112,181.28x = 168,252.48 × 29,075.28
  4. Step 4: Simplify right side
    112,181.28x = 4,891,987,966.69
  5. Step 5: Solve for x
    x = 4,891,987,966.69/112,181.28
  6. Step 6: Final answer
    x = 43,607.88

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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.