Home / 186,917.64-280,376.42-103,210.04

Finding the Fourth Proportional to 186,917.64, 280,376.42 and 103,210.04

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Solution

The fourth proportional to 186,917.64, 280,376.42 and 103,210.04 is: 154,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,917.64 : 280,376.42 = 103,210.04 : x
  2. Step 2: Convert to fraction form
    186,917.64/280,376.42 = 103,210.04/x
  3. Step 3: Cross multiply
    186,917.64x = 280,376.42 × 103,210.04
  4. Step 4: Simplify right side
    186,917.64x = 28,937,661,523.26
  5. Step 5: Solve for x
    x = 28,937,661,523.26/186,917.64
  6. Step 6: Final answer
    x = 154,815.04

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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.