Home / 186,960.30-280,440.45-53,844.90

Finding the Fourth Proportional to 186,960.30, 280,440.45 and 53,844.90

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Solution

The fourth proportional to 186,960.30, 280,440.45 and 53,844.90 is: 80,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,960.30 : 280,440.45 = 53,844.90 : x
  2. Step 2: Convert to fraction form
    186,960.30/280,440.45 = 53,844.90/x
  3. Step 3: Cross multiply
    186,960.30x = 280,440.45 × 53,844.90
  4. Step 4: Simplify right side
    186,960.30x = 15,100,287,986.21
  5. Step 5: Solve for x
    x = 15,100,287,986.21/186,960.30
  6. Step 6: Final answer
    x = 80,767.35

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1.5x scale

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.