Home / 186,640.57-279,961.90-46,399.19

Finding the Fourth Proportional to 186,640.57, 279,961.90 and 46,399.19

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Solution

The fourth proportional to 186,640.57, 279,961.90 and 46,399.19 is: 69,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,640.57 : 279,961.90 = 46,399.19 : x
  2. Step 2: Convert to fraction form
    186,640.57/279,961.90 = 46,399.19/x
  3. Step 3: Cross multiply
    186,640.57x = 279,961.90 × 46,399.19
  4. Step 4: Simplify right side
    186,640.57x = 12,990,005,390.86
  5. Step 5: Solve for x
    x = 12,990,005,390.86/186,640.57
  6. Step 6: Final answer
    x = 69,599.04

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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.