Home / 186,778.95-280,170.45-53,660.31

Finding the Fourth Proportional to 186,778.95, 280,170.45 and 53,660.31

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Solution

The fourth proportional to 186,778.95, 280,170.45 and 53,660.31 is: 80,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,778.95 : 280,170.45 = 53,660.31 : x
  2. Step 2: Convert to fraction form
    186,778.95/280,170.45 = 53,660.31/x
  3. Step 3: Cross multiply
    186,778.95x = 280,170.45 × 53,660.31
  4. Step 4: Simplify right side
    186,778.95x = 15,034,033,199.84
  5. Step 5: Solve for x
    x = 15,034,033,199.84/186,778.95
  6. Step 6: Final answer
    x = 80,491.05

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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.