Home / 124,200.20-186,324.60-53,122.70

Finding the Fourth Proportional to 124,200.20, 186,324.60 and 53,122.70

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Solution

The fourth proportional to 124,200.20, 186,324.60 and 53,122.70 is: 79,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,200.20 : 186,324.60 = 53,122.70 : x
  2. Step 2: Convert to fraction form
    124,200.20/186,324.60 = 53,122.70/x
  3. Step 3: Cross multiply
    124,200.20x = 186,324.60 × 53,122.70
  4. Step 4: Simplify right side
    124,200.20x = 9,898,065,828.42
  5. Step 5: Solve for x
    x = 9,898,065,828.42/124,200.20
  6. Step 6: Final answer
    x = 79,694.44

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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.