Home / 186,782.07-280,143.03-53,632.05

Finding the Fourth Proportional to 186,782.07, 280,143.03 and 53,632.05

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Solution

The fourth proportional to 186,782.07, 280,143.03 and 53,632.05 is: 80,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,782.07 : 280,143.03 = 53,632.05 : x
  2. Step 2: Convert to fraction form
    186,782.07/280,143.03 = 53,632.05/x
  3. Step 3: Cross multiply
    186,782.07x = 280,143.03 × 53,632.05
  4. Step 4: Simplify right side
    186,782.07x = 15,024,644,142.70
  5. Step 5: Solve for x
    x = 15,024,644,142.70/186,782.07
  6. Step 6: Final answer
    x = 80,439.43

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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.