Home / 192,818.32-289,159.74-57,842.15

Finding the Fourth Proportional to 192,818.32, 289,159.74 and 57,842.15

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Solution

The fourth proportional to 192,818.32, 289,159.74 and 57,842.15 is: 86,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,818.32 : 289,159.74 = 57,842.15 : x
  2. Step 2: Convert to fraction form
    192,818.32/289,159.74 = 57,842.15/x
  3. Step 3: Cross multiply
    192,818.32x = 289,159.74 × 57,842.15
  4. Step 4: Simplify right side
    192,818.32x = 16,725,619,609.24
  5. Step 5: Solve for x
    x = 16,725,619,609.24/192,818.32
  6. Step 6: Final answer
    x = 86,742.90

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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.