Home / 186,659.71-280,031.02-53,529.73

Finding the Fourth Proportional to 186,659.71, 280,031.02 and 53,529.73

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Solution

The fourth proportional to 186,659.71, 280,031.02 and 53,529.73 is: 80,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,659.71 : 280,031.02 = 53,529.73 : x
  2. Step 2: Convert to fraction form
    186,659.71/280,031.02 = 53,529.73/x
  3. Step 3: Cross multiply
    186,659.71x = 280,031.02 × 53,529.73
  4. Step 4: Simplify right side
    186,659.71x = 14,989,984,359.43
  5. Step 5: Solve for x
    x = 14,989,984,359.43/186,659.71
  6. Step 6: Final answer
    x = 80,306.48

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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.