Home / 186,783.57-280,145.28-53,633.55

Finding the Fourth Proportional to 186,783.57, 280,145.28 and 53,633.55

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Solution

The fourth proportional to 186,783.57, 280,145.28 and 53,633.55 is: 80,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,783.57 : 280,145.28 = 53,633.55 : x
  2. Step 2: Convert to fraction form
    186,783.57/280,145.28 = 53,633.55/x
  3. Step 3: Cross multiply
    186,783.57x = 280,145.28 × 53,633.55
  4. Step 4: Simplify right side
    186,783.57x = 15,025,185,882.14
  5. Step 5: Solve for x
    x = 15,025,185,882.14/186,783.57
  6. Step 6: Final answer
    x = 80,441.69

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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.