Home / 186,056.08-279,081.72-45,815.92

Finding the Fourth Proportional to 186,056.08, 279,081.72 and 45,815.92

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Solution

The fourth proportional to 186,056.08, 279,081.72 and 45,815.92 is: 68,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,056.08 : 279,081.72 = 45,815.92 : x
  2. Step 2: Convert to fraction form
    186,056.08/279,081.72 = 45,815.92/x
  3. Step 3: Cross multiply
    186,056.08x = 279,081.72 × 45,815.92
  4. Step 4: Simplify right side
    186,056.08x = 12,786,385,756.98
  5. Step 5: Solve for x
    x = 12,786,385,756.98/186,056.08
  6. Step 6: Final answer
    x = 68,723.29

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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.