Home / 188,088.20-281,914.95-86,674.24

Finding the Fourth Proportional to 188,088.20, 281,914.95 and 86,674.24

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Solution

The fourth proportional to 188,088.20, 281,914.95 and 86,674.24 is: 129,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,088.20 : 281,914.95 = 86,674.24 : x
  2. Step 2: Convert to fraction form
    188,088.20/281,914.95 = 86,674.24/x
  3. Step 3: Cross multiply
    188,088.20x = 281,914.95 × 86,674.24
  4. Step 4: Simplify right side
    188,088.20x = 24,434,764,035.89
  5. Step 5: Solve for x
    x = 24,434,764,035.89/188,088.20
  6. Step 6: Final answer
    x = 129,911.20

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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.