Home / 160,819.08-221,930.46-89,199.62

Finding the Fourth Proportional to 160,819.08, 221,930.46 and 89,199.62

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Solution

The fourth proportional to 160,819.08, 221,930.46 and 89,199.62 is: 123,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,819.08 : 221,930.46 = 89,199.62 : x
  2. Step 2: Convert to fraction form
    160,819.08/221,930.46 = 89,199.62/x
  3. Step 3: Cross multiply
    160,819.08x = 221,930.46 × 89,199.62
  4. Step 4: Simplify right side
    160,819.08x = 19,796,112,253.76
  5. Step 5: Solve for x
    x = 19,796,112,253.76/160,819.08
  6. Step 6: Final answer
    x = 123,095.54

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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.