Home / 186,783.07-280,144.53-53,633.05

Finding the Fourth Proportional to 186,783.07, 280,144.53 and 53,633.05

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Solution

The fourth proportional to 186,783.07, 280,144.53 and 53,633.05 is: 80,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,783.07 : 280,144.53 = 53,633.05 : x
  2. Step 2: Convert to fraction form
    186,783.07/280,144.53 = 53,633.05/x
  3. Step 3: Cross multiply
    186,783.07x = 280,144.53 × 53,633.05
  4. Step 4: Simplify right side
    186,783.07x = 15,025,005,584.72
  5. Step 5: Solve for x
    x = 15,025,005,584.72/186,783.07
  6. Step 6: Final answer
    x = 80,440.94

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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.