Home / 188,819.91-283,278.60-70,492.14

Finding the Fourth Proportional to 188,819.91, 283,278.60 and 70,492.14

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Solution

The fourth proportional to 188,819.91, 283,278.60 and 70,492.14 is: 105,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.91 : 283,278.60 = 70,492.14 : x
  2. Step 2: Convert to fraction form
    188,819.91/283,278.60 = 70,492.14/x
  3. Step 3: Cross multiply
    188,819.91x = 283,278.60 × 70,492.14
  4. Step 4: Simplify right side
    188,819.91x = 19,968,914,730.20
  5. Step 5: Solve for x
    x = 19,968,914,730.20/188,819.91
  6. Step 6: Final answer
    x = 105,756.40

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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.