Home / 221,876.54-306,216.59-125,099.04

Finding the Fourth Proportional to 221,876.54, 306,216.59 and 125,099.04

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Solution

The fourth proportional to 221,876.54, 306,216.59 and 125,099.04 is: 172,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,876.54 : 306,216.59 = 125,099.04 : x
  2. Step 2: Convert to fraction form
    221,876.54/306,216.59 = 125,099.04/x
  3. Step 3: Cross multiply
    221,876.54x = 306,216.59 × 125,099.04
  4. Step 4: Simplify right side
    221,876.54x = 38,307,401,441.07
  5. Step 5: Solve for x
    x = 38,307,401,441.07/221,876.54
  6. Step 6: Final answer
    x = 172,651.88

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1.5x scale

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.