Home / 102,898.20-154,347.30-36,337.80

Finding the Fourth Proportional to 102,898.20, 154,347.30 and 36,337.80

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Solution

The fourth proportional to 102,898.20, 154,347.30 and 36,337.80 is: 54,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,898.20 : 154,347.30 = 36,337.80 : x
  2. Step 2: Convert to fraction form
    102,898.20/154,347.30 = 36,337.80/x
  3. Step 3: Cross multiply
    102,898.20x = 154,347.30 × 36,337.80
  4. Step 4: Simplify right side
    102,898.20x = 5,608,641,317.94
  5. Step 5: Solve for x
    x = 5,608,641,317.94/102,898.20
  6. Step 6: Final answer
    x = 54,506.70

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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.