Home / 186,926.76-280,350.05-53,782.20

Finding the Fourth Proportional to 186,926.76, 280,350.05 and 53,782.20

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Solution

The fourth proportional to 186,926.76, 280,350.05 and 53,782.20 is: 80,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,926.76 : 280,350.05 = 53,782.20 : x
  2. Step 2: Convert to fraction form
    186,926.76/280,350.05 = 53,782.20/x
  3. Step 3: Cross multiply
    186,926.76x = 280,350.05 × 53,782.20
  4. Step 4: Simplify right side
    186,926.76x = 15,077,842,190.20
  5. Step 5: Solve for x
    x = 15,077,842,190.20/186,926.76
  6. Step 6: Final answer
    x = 80,661.76

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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.