Home / 112,185.03-168,148.35-45,552

Finding the Fourth Proportional to 112,185.03, 168,148.35 and 45,552

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Solution

The fourth proportional to 112,185.03, 168,148.35 and 45,552 is: 68,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,185.03 : 168,148.35 = 45,552 : x
  2. Step 2: Convert to fraction form
    112,185.03/168,148.35 = 45,552/x
  3. Step 3: Cross multiply
    112,185.03x = 168,148.35 × 45,552
  4. Step 4: Simplify right side
    112,185.03x = 7,659,493,639.20
  5. Step 5: Solve for x
    x = 7,659,493,639.20/112,185.03
  6. Step 6: Final answer
    x = 68,275.54

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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.