Home / 186,784.80-280,177.20-53,669.40

Finding the Fourth Proportional to 186,784.80, 280,177.20 and 53,669.40

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Solution

The fourth proportional to 186,784.80, 280,177.20 and 53,669.40 is: 80,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.80 : 280,177.20 = 53,669.40 : x
  2. Step 2: Convert to fraction form
    186,784.80/280,177.20 = 53,669.40/x
  3. Step 3: Cross multiply
    186,784.80x = 280,177.20 × 53,669.40
  4. Step 4: Simplify right side
    186,784.80x = 15,036,942,217.68
  5. Step 5: Solve for x
    x = 15,036,942,217.68/186,784.80
  6. Step 6: Final answer
    x = 80,504.10

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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.